人教版英语八年级上册if条件状语从句专项练习
八年级英语条件状语从句练习题40题【含答案解析】
八年级英语条件状语从句练习题40题【含答案解析】1.If it rains tomorrow, we _____ stay at home.A.willB.wouldC.shouldD.must答案解析：A。
if 引导的条件状语从句，遵循“主将从现”原则，主句用一般将来时，所以选will。
B 选项would 用于过去将来时或表示委婉语气；C 选项should 表示应该；D 选项must 表示必须。
2.Unless you study hard, you _____ pass the exam.A.won'tB.don'tC.can'tD.mustn't答案解析：A。
unless 相当于if...not，遵循“主将从现”原则，主句用一般将来时的否定形式，所以选won't。
B 选项don't 用于一般现在时；C 选项can't 表示不能；D 选项mustn't 表示禁止。
3.If you _____ time, please help me with my homework.A.haveB.will haveC.hadD.would have答案解析：A。
if 引导的条件状语从句，遵循“主将从现”原则，从句用一般现在时，所以选have。
B 选项will have 用于一般将来时；C 选项had 用于一般过去时或虚拟语气；D 选项would have 用于过去将来时或虚拟语气。
4.Unless he _____ quickly, he will miss the train.A.runsB.runC.will runD.would run答案解析：A。
unless 引导的条件状语从句，遵循“主将从现”原则，从句用一般现在时，he 是第三人称单数，所以选runs。
B 选项run 用于第一、二人称和复数；C 选项will run 用于一般将来时；D 选项would run 用于过去将来时或虚拟语气。
八年级英语条件状语从句练习题40题
八年级英语条件状语从句练习题40题1.If it rains tomorrow, we _____ stay at home.A.willB.wouldC.shouldD.must答案：A。
解析：if 引导的条件状语从句，主句用一般将来时，从句用一般现在时。
选项A“will”表示将来；选项B“would”用于过去将来时或者虚拟语气；选项C“should”表示应该；选项D“must”表示必须。
2.If you study hard, you _____ good grades.A.getB.will getC.would getD.should get答案：B。
解析：if 条件状语从句，主句用一般将来时，从句用一般现在时。
选项B“will get”是一般将来时；选项A“get”是一般现在时，但主句不能用一般现在时；选项C“would get”用于过去将来时或虚拟语气；选项D“should get”表示应该。
3.If I have time, I _____ go shopping with you.A.willB.wouldC.shouldD.must答案：A。
解析：if 条件状语从句，主句用一般将来时，从句用一般现在时。
选项A“will”表示将来；选项B“would”用于过去将来时或者虚拟语气；选项C“should”表示应该；选项D“must”表示必须。
4.If she _____ early, she can catch the bus.A.gets upB.will get upC.would get upD.should get up答案：A。
解析：if 条件状语从句，主句用一般将来时或含有情态动词，从句用一般现在时。
选项A“gets up”是一般现在时；选项B“will get up”是一般将来时，但从句不能用一般将来时；选项C“would get up”用于过去将来时或虚拟语气；选项D“should get up”表示应该，从句不用should+动词原形。
2023-2024学年人教版八年级上册条件状语从句专项练二(含解析)
条件状语从句专项练（二）一、单项选择1．If you ________ along this road, you will find a park. A．go B．went C．goes2．If wild animals can’t find enough food and clean water, they ________.A．die B．diedC．will die D．were dying3．We’ll have a picnic in the park this Sunday ________ there is a heavy rain.A．whether B．unless C．since D．because4．________ you treat others with your heart, you will get friendship in return.A．If B．Until C．Unless5．I ________ loving English ________ the Sun rises in the west. A．won’t stop; if B．won’t stop; unlessC．will stop; unless D．will stop; if6．I won’t go to sleep ________ my mother tells me a story. A．because B．unless C．if D．but7．Lionel Messi won’t win the Qatar world cup ________ he doesn’t practice hard.A．if B．though C．unless8．Learning to write is learning to think. ________ , you won’t know things clearly.A．if you write them downB．unless you write them downC．if you won’t write them down9．If they ________ a party tonight, half the class ________. Because we have a test tomorrow.A．have, come B．have, will comeC．have, won’t come D．will have, won’t come10．We will have a party if Tom ________ our team.A．will join B．joinsC．joined D．is joining11．You can make delicious food ________ you follow my ways. A．as much as B．as well asC．as far as D．as long as12．—I have no idea if my friend ________ to my housewarming party in two days.—If she ________, I won’t pick her up at the railway station. A．will come, comes B．doesn’t come, won’t come C．comes, doesn’t come D．will come, doesn’t come13．—If it ________ tomorrow, we will have to stay at home watching a movie.—If so, how boring it will be!A．rains B．will rain C．doesn’t rain14．The little boy won’t go to sleep unless his mom _________ him a story.A．tells B．toldC．is telling D．will tell15．Mary is good at writing. I am sure she’ll get a good place ________ she takes part in the writing competition. A．before B．if C．though D．unless16．Zhang Guimei once said. “________ I’m alive, I will donate (献身) myself to teaching.”A．Even though B．As soon as C．As long as17．It is really dangerous _______ people run the red traffic light.A．if B．unless C．though D．until18．My parents won’t allow me to do things I like ________ I finish my homework.A．if B．but C．because D．unless19．—You can’t go to the reading room ________ you show your student card.—OK. I see.A．as B．because C．though D．unless二、完成句子20．I can’t do the work by myself. He helps me.（合并为一句）If I can’t do the work by myself, he me.21．Go along the street, and you will find the post office on your right. (保持句意基本不变)go along the street, you’ll find the post office on your right. 22．If she doesn’t get up now, she won’t catch the bus. （改为同义句）she up now, she won’t catch the bus.23．I can’t finish the work in time without your help. （同义句）I can’t finish the work in time don’t me.24．Finish your homework and you can watch TV.(改为同义句) you your homework, you be able to watch TV.参考答案：1．A考查if条件句。
初二英语状语从句条件类练习题40题
初二英语状语从句条件类练习题40题1. If it ______ tomorrow, we will go to the park.A. don't rainB. doesn't rainC. not rainD. won't rain答案：B。
解析：在if引导的条件状语从句中，当主句是一般将来时（will go），从句要用一般现在时表将来。
it是第三人称单数，否定形式应该是doesn't rain，A选项don't用于非第三人称单数主语，C选项not rain形式错误，D选项won't rain 是将来时，不符合条件状语从句的时态要求。
2. If you ______ hard, you will get good grades.A. studyB. will studyC. studiedD. are study答案：A。
解析：根据条件状语从句的规则，主句是一般将来时，从句用一般现在时。
这里主语是you，动词用原形study即可。
B选项will study是将来时，不符合从句时态要求；C选项studied是一般过去时；D选项are study形式错误。
3. If he ______ here, he can help us.A. isB. will beC. wasD. be答案：A。
解析：在if引导的条件状语从句中，主句含有情态动词（can），从句用一般现在时，he是第三人称单数，be动词用is。
B选项will be是将来时；C选项was是一般过去时；D选项be是原形，不能直接用于第三人称单数主语后。
4. If she ______ up early, she won't be late for school.A. getsB. getC. will getD. got答案：A。
解析：主句是一般将来时（won't be），从句要用一般现在时。
新人教版八年级上册if引导的条件状语从句练习题
1.If it doesn't rain tomorrow ,we will go to the park .
如果明天不下雨，我们就去公园。
2.If you cross the road ,you must be careful .
如果你横穿马路，你一定要小心。
3.Please call me if you come to my house tomorrow .
7.If the boy __________(become becomes )a soccer player ,he will be ___________(be )happy . doesn't call will go 8.If she____________(not call )me up , I __________(go). won't have 9.We _____________(not have) our sports meeting if the weather __________(be not )fine . isn't 10.He ___________(come) if you _______(invite )him . will come invite 11.You__________(be)late if you_________ will be don't ride ( not ride )your bike . 12.You ___________(not get )good grades if you won't get ___________(not study ) hard . don't study
如果你明天来我家请给我打电话。
【含答案解析】人教版八年级英语条件句练习题50题
【含答案解析】人教版八年级英语条件句练习题50题1.If it rains tomorrow, we ____ stay at home.A.willB.wouldC.shouldD.must答案解析：A。
if 引导的真实条件句，主句用一般将来时，从句用一般现在时。
选项B 是过去将来时，不符合；选项 C 是应该，与句子意思不符；选项 D 是必须，也不符合句子意思。
2.If I have time, I ____ help you with your homework.A.willB.wouldC.shouldD.must答案解析：A。
同样是if 引导的真实条件句，主句用一般将来时。
选项 B 过去将来时不对；选项 C 应该和选项D 必须都不符合句子意思。
3.If she studies hard, she ____ get good grades.A.willB.wouldC.shouldD.must答案解析：A。
理由同上，主句一般将来时，其他选项不符合句子意思。
4.If we go to the park, we ____ have a picnic.A.willB.wouldC.shouldD.must答案解析：A。
if 引导真实条件句，主句用一般将来时，选项 B 过去将来时错误，选项C 应该和选项 D 必须不恰当。
5.If he has enough money, he ____ buy a new bike.A.willB.wouldC.shouldD.must答案解析：A。
还是if 引导的真实条件句，主句用一般将来时，其他选项不合适。
6.If they finish their work early, they ____ go to the movies.A.willB.wouldC.shouldD.must答案解析：A。
if 引导真实条件句，主句一般将来时，选项 B 过去将来时错误，选项C 和 D 不符合语境。
人教版八年级英语条件状语从句练习题40题含答案解析
人教版八年级英语条件状语从句练习题40题含答案解析1. If you ______ hard, you will get good grades.A. studyB. will studyC. studiedD. studying答案：A。
解析：在if引导的条件状语从句中，主句用一般将来时（will+动词原形），从句用一般现在时表示将来。
选项A是一般现在时，符合从句的语法规则。
选项B是一般将来时，不能用于if引导的条件状语从句的从句部分。
选项C是一般过去时，不符合此语法规则。
选项D不是正确的谓语形式。
2. I will go to the park with you if it ______ tomorrow.A. doesn't rainB. won't rainC. not rainD. rain答案：A。
解析：根据条件状语从句的规则，主句是一般将来时，从句用一般现在时表示将来。
选项A是一般现在时的否定形式，符合语法。
选项B是一般将来时，不能用于从句。
选项C不是正确的句子形式。
选项D是一般现在时的肯定形式，但是根据题意这里需要否定形式，因为是如果不下雨才会去公园。
3. If he ______ here tomorrow, we will play football together.B. will comeC. comeD. came答案：A。
解析：在if引导的条件状语从句中，从句要用一般现在时表示将来。
主语he是第三人称单数，动词要用第三人称单数形式，选项A符合要求。
选项B是一般将来时，不能用于从句。
选项C没有使用第三人称单数形式。
选项D是一般过去时，不符合语法规则。
4. You will be late if you ______ up late.A. getB. will getC. gotD. gets答案：A。
解析：条件状语从句中，从句用一般现在时表示将来。
主语you是第二人称，动词用原形，选项A正确。
Unit10单元语法：If引导的条件状语从句的用法(课件)-八年级英语上册单元语法精讲精练(人教版)
*一般过去时
* 复合不定代词
*频度副词 次数的表达 * How often…
*形容词副词的原级与比较级
Unit 4 What’s the best movie theater? Unit 5 Do you want to watch a game show? Unit 6 I’m going to study computer science. Unit 7 Will people have robots? Unit 8 How do you make a banana milk shake? Unit 9 Can you come to my party?
A．calling B．call C．to call D．will call
C 11．Our eyesight will become poorer and poorer ________ we spend too much time
playing the phone.
A．so
B．before C．if
he, come, next weekend, I, tell you If he comes next weekend, I will tell you.
如果他下周来，我会告诉你。
not rain, go hiking, this afternoon
If it doesn’t rain, I will go hiking this afternoon.
D．but
A 12．—Opportunity will come _________ we make our efforts.
—Yes. God helps those who help themselves.
八年级英语条件状语从句练习题40题带答案
A. don't tell
B. didn't tell
C. not tell
D. won't tell
答案：A。解析：这是一个真实条件句，遵循“主将从现”原则。从句是否定句，主语是you，所以要用don't tell。如果你不告诉他真相，他会生你的气。
17. If I ______ (have) enough money, I will buy a big house.
A. have
B. had
C. will have
D. has
答案：A。解析：这是一个真实条件句，遵循“主将从现”原则。从句主语是I，所以动词用have。如果我有足够的钱，我就会买一个大房子。
16. If they ______ (come) here tomorrow, we will have a party together.
A. come
B. comes
C. came
D. will come
答案：A。解析：这是一个真实条件句，遵循“主将从现”原则。从句主语是they，所以动词用come。如果他们明天来这里，我们就一起开个派对。
7. I will go swimming with you ____ the weather is fine tomorrow.
A. as long as
B. as if
C. even if
D. as soon as
答案：A。解析：“as long as”引导条件状语从句，表示只要。主句“ I will go swimming with you”是一般将来时，从句“the weather is fine tomorrow”用一般现在时。只要明天天气好，我就和你去游泳。
初二英语状语从句条件类练习题40题(带答案)
初二英语状语从句条件类练习题40题(带答案)1. If it ______ tomorrow, we will stay at home.A. rainsB. rainedC. will rainD. is raining答案：A解析：if 引导的条件状语从句，遵循“主将从现”原则，即主句用一般将来时，从句用一般现在时。
从句主语it 是第三人称单数，rain 要用第三人称单数形式rains。
B 选项rained 是过去式；C 选项will rain 是将来时；D 选项is raining 是现在进行时，均不符合条件状语从句的时态要求。
2. If you ______ hard, you will pass the exam.A. studyB. studiedC. will studyD. studies答案：A解析：“主将从现”原则，从句用一般现在时，you 是第二人称，动词用原形study。
B 选项studied 是过去式；C 选项will study 是将来时；D 选项studies 是第三人称单数形式，不符合要求。
3. If she ______ free tomorrow, she will go shopping.A. isB. wasC. will beD. has been答案：A解析：“主将从现”，从句用一般现在时，she 是第三人称单数，be 动词用is。
B 选项was 是过去式；C 选项will be 是将来时；D 选项has been 是现在完成时，都不符合条件。
4. If it is sunny, we ______ for a picnic.A. goB. wentC. will goD. have gone答案：C解析：“主将从现”，主句用一般将来时will go。
A 选项go 是一般现在时；B 选项went 是过去式；D 选项have gone 是现在完成时，均不正确。
八年级英语条件状语从句练习题40题
八年级英语条件状语从句练习题40题1.If it rains tomorrow, we _____ stay at home.A.willB.wouldC.shouldD.must答案：A。
如果明天下雨，我们将待在家里。
此句是if 引导的条件状语从句，遵循“主将从现”原则，即主句用一般将来时，从句用一般现在时。
所以选A。
B 选项would 用于过去将来时或虚拟语气；C 选项should 表示应该；D 选项must 表示必须。
2.If I have time, I _____ help you with your homework.A.willB.wouldC.shouldD.must答案：A。
如果我有时间，我将帮你做家庭作业。
同样遵循“主将从现”原则，选A。
B 选项would 用于过去将来时或虚拟语气；C 选项should 表示应该；D 选项must 表示必须。
3.If you study hard, you _____ get good grades.A.willB.wouldC.shouldD.must答案：A。
如果你努力学习，你将取得好成绩。
“主将从现”，选A。
B 选项would 用于过去将来时或虚拟语气；C 选项should 表示应该；D 选项must 表示必须。
4.If she _____ to the party, she will have a great time.A.goesB.wentC.will goD.would go答案：A。
如果她去参加聚会，她会玩得很开心。
“主将从现”，从句用一般现在时，she 是第三人称单数，所以选A。
B 选项went 是过去式；C 选项will go 和D 选项would go 都不符合“主将从现”原则。
5.If we _____ late for school, the teacher will be angry.A.areB.wereC.will beD.would be答案：A。
人教版初中八年级英语上册if_条件状语从句的时态练习（含答案）
人教版初中八年级英语上册if_条件状语从句的时态练习（含答案）If引导的条件状语从句单项选择1. If you _____ to the party, you’ll have a great time.A. will goB. wentC. goD. going2. It will be a long time ____ Peter _____ his work.A. since, has finishedB. after, finishesC. when, will finishD. before, finishes.3. What will father _____ us from Japan?A. takeB. bringC. carryD. make4. Weifang is famous ______ kitesA. forB. toC. onD. with5．I ____ her the answer if she ____me.A. can tell, will askB. will tell, will askC. would tell, askD. will tell, asks6. – What are you going to do tomorrow?--We’ll go to the library tomorrow if it ___.A. isn’t rainB. rainC. won’t rainD. doesn’t rain7.—Do you know when he will come back tomorrow? --Sorry,I don’t know. When he ____ back, I’ll tell you.A. comesB. will comeC. comeD. may come8. What will you do if you _____ to the old folk’s home visit?A. goB. wentC. goingD. will go9. If I eat ____ food, I’ll be very fa t.A. too manyB. many tooC. too muchD. much too10. I’ll give the book to him if he ___ here next Sunday.A. will comeB. comesC. is comingD. came11. There ____an English film in our school tomorrow.A. is going to haveB. will haveC. is going to beD. has12. Could you tell us where ____？A. will the next Olympic Games heldB. the next Olympic Games will be heldC. would the next Olympic Games be heldD. the next Olympic Games would be held13. When my mother returned last night, I ____ a book.A. readB. am readingC. was readingD. am going to read14. What ____ you ____ when it began to rain?A. do, doB. were, doingC. are, doingD. did, do15. I’ll wake you up when he ____back.A. willB. is going to comeC. comesD. come1---5 CDBAD 6---10 DAACB 11---15 CBCBC上一页下一页。
Unit10If+引导的条件状语从句专项练-2023-2024学年人教版英语八年级上册【附解析】
17．The museum will soon be open to the public ________ the checking work is done.
A．butB．ifC．whileD．unless
18．—Labor（劳动）education is important for students’ development.
—Yes. ________ schools put it into practice, students will be more independent and helpful.
A．AlthoughB．IfC．Unless
19．We’ll stay at homeit rains tomorrow.
—Yes, and it’ll get worse ________ we do nothing.
A．ifB．thoughC．untilD．although
16．You need to practise speaking every day________ you hope to improve your spoken English.
—If it ________, I will go.
A．doesn’t rainB．rainsC．won’t rainD．didn’t rain
14．________ you don’t hurry up, you will miss the bus.
A．IfB．AndC．BeD．Or
15．—How bad! The city is becoming more crowded than before.
C．will come; comes; will beD．will come; will come; is
初二英语状语从句条件类练习题40题含答案解析
初二英语状语从句条件类练习题40题含答案解析1.If it rains tomorrow, we ______ stay at home.A.willB.wouldC.shouldD.must答案解析：A。
if 引导的条件状语从句，主句用一般将来时，从句用一般现在时。
选项B 是过去将来时，不符合语境；选项C 应该，选项D 必须，都不符合此语境。
2.My mother will be angry if I ______ my homework.A.don't finishB.didn't finishC.won't finishD.haven't finished答案解析：A。
if 引导的条件状语从句，主句用一般将来时，从句用一般现在时。
选项B 是过去时，选项C 是将来时，选项D 是现在完成时，都不符合。
3.If you study hard, you ______ good grades.A.getB.will getC.gotD.would get答案解析：B。
if 引导的条件状语从句，主句用一般将来时，从句用一般现在时。
选项 A 是一般现在时，选项C 是过去时，选项D 是过去将来时，都不符合。
4.We will go on a picnic if it ______ sunny tomorrow.A.isB.wasC.will beD.has been答案解析：A。
if 引导的条件状语从句，主句用一般将来时，从句用一般现在时。
选项B 是过去时，选项C 是将来时，选项D 是现在完成时，都不符合。
5.If he ______ time, he will come to see me.A.hasB.haveC.hadD.will have答案解析：A。
if 引导的条件状语从句，主句用一般将来时，从句用一般现在时。
he 是第三人称单数，所以用has。
选项B 是原形，不符合；选项C 是过去时，选项D 是将来时，都不符合。
八年级英语条件状语从句练习题40题(答案解析)
八年级英语条件状语从句练习题40题(答案解析)1.If it rains tomorrow, we ____ stay at home.A.willB.wouldC.shouldD.must答案解析：A。
if 引导的条件状语从句，主句用一般将来时，从句用一般现在时。
B 选项would 用于过去将来时或虚拟语气；C 选项should 表示应该；D 选项must 表示必须，不符合此语境。
2.If you study hard, you ____ get good grades.A.willB.wouldC.shouldD.must答案解析：A。
同理，if 引导的条件状语从句，主句用一般将来时。
B 选项would 用于过去将来时或虚拟语气；C 选项should 表示应该；D 选项must 表示必须，这里是如果努力学习就会取得好成绩，用will 表示将来的结果。
3.If he ____ time, he will come to see us.A.hasB.haveC.hadD.will have答案解析：A。
if 引导的条件状语从句，从句用一般现在时，he 是第三人称单数，所以用has。
B 选项have 用于第一、二人称和复数；C 选项had 用于过去时；D 选项will have 用于将来时，都不符合此语境。
4.If she ____ early, she can catch the bus.A.gets upB.got upC.will get upD.would get up答案解析：A。
if 引导的条件状语从句，从句用一般现在时，she 是第三人称单数，所以用gets up。
B 选项got up 用于过去时；C 选项will get up 用于将来时；D 选项would get up 用于过去将来时或虚拟语气，都不符合此语境。
5.If we ____ the game, we will be very happy.A.winB.wonC.will winD.would win答案解析：A。
人教版英语八年级上册条件状语从句练习
条件状语从句专练词汇。
1.I ________(be) able to sing an English song when I was four.2.He was hurt_________(bad).3.The students will go to the zoo if it_______________(not,rain) tomorrow.4.If it____________(snow) tomorrow, we have to stay at home.5.If you watch TV too much, your mother _______________(be) angry.6.If you_________________________(参加聚会)，you__________________(过得开心)7.If he_______________________(听英文歌)，he will like English.8.Shall we go to the movies if it_________________(not rain) tomorrow.9.Please go to my birthday party if you_______________(not,be) busy.10.Tell him not to bring food here. If he_________(do),I'll take it away.11.Call me if anything__________________(happen).12.If he____________(walk) to school tomorrow, he will be late.13.Tom will call me as soon as he_______________(reach)Beijing.二．句型转换。
人教版八年级英语状语从句练习题50题
人教版八年级英语状语从句练习题50题1.We will go for a picnic if it ______ sunny tomorrow.A.isB.wasC.will beD.has been答案解析：A。
if 引导的条件状语从句，遵循“主将从现”原则，即主句用一般将来时，从句用一般现在时。
B 选项was 是过去时，不符合；C 选项will be 是将来时，不符合从句用一般现在时的规则；D 选项has been 是现在完成时，也不符合。
2.I was doing my homework ______ my mother came in.A.whenB.whileC.asD.since答案解析：A。
be doing sth. when...表示“正在做某事，这时……”。
while 通常强调两个动作同时进行；as 也可表示“当……的时候”，但不如when 常用；since 表示“自从”，不符合语境。
3.He has been learning English ______ he was seven years old.A.sinceB.forC.inD.on答案解析：A。
since 后面跟时间点，表示“自从……以来”，用于现在完成进行时；for 后面跟时间段；in 和on 不能用于这种语境。
4.______ I was reading a book, my brother was playing games.A.WhenB.WhileC.AsD.Since答案解析：B。
while 强调两个动作同时进行；when 也可表示“当……的时候”，但不如while 更强调同时性；as 同理；since 表示“自从”，不符合。
5.She will call you ______ she arrives.A.as soon asB.untilC.whileD.since答案解析：A。
as soon as 表示“一……就……”；until 表示“直到……”；while 强调同时性；since 表示“自从”，不符合。
人教版初二英语状语从句条件类练习题40题
人教版初二英语状语从句条件类练习题40题1. If it ______ tomorrow, we will have a PE class outside.A. won't rainB. doesn't rainC. not rainD. rain答案：B。
解析：在if引导的条件状语从句中，主句用一般将来时，从句用一般现在时表示将来。
A选项中won't rain是一般将来时，不符合从句的时态要求。
C选项not rain形式错误，这里需要借助助动词does。
D选项rain是动词原形，没有体现出一般现在时第三人称单数的形式，而B选项doesn't rain是一般现在时的正确形式，所以选B。
2. I will tell my mother the good news if she ______ back home early.A. comeB. comesC. will comeD. came答案：B。
解析：同样在if引导的条件状语从句里，从句要用一般现在时表示将来。
A选项come没有使用第三人称单数形式。
C选项will come是一般将来时，不符合从句时态规则。
D选项came是一般过去时，也不符合要求。
B选项comes是一般现在时第三人称单数形式，所以正确。
3. If you ______ study hard, you won't pass the exam.A. don'tB. notC. won'tD. doesn't答案：A。
解析：在这个句子中，if引导条件状语从句，从句要用一般现在时。
B选项not单独使用不能构成否定句，需要借助助动词。
C选项won't是一般将来时的否定形式，不符合从句时态。
D选项doesn't用于第三人称单数，而这里的主语you是第二人称，所以要用don't，A正确。
4. If he ______ time, he will play basketball with us after school.A. hasB. haveC. will haveD. had答案：A。
人教版八年级英语条件句练习题50题【含答案解析】
人教版八年级英语条件句练习题50题【含答案解析】1.If it rains tomorrow, we _____ have PE class outdoors.A.won'tB.willC.don'tD.do答案解析：A。
如果明天下雨，我们就不能在户外上体育课。
if 引导的真实条件句，遵循“主将从现”原则，即主句用一般将来时，从句用一般现在时。
从句it rains tomorrow 是一般现在时表示将来，主句用一般将来时，否定形式是won't。
B 选项will 是肯定形式，不符合语境；C 选项don't 和D 选项do 是一般现在时的助动词，与本题时态不符。
2.If we study hard, we _____ good grades.A.getB.will getC.gotD.getting答案解析：B。
如果我们努力学习，我们就会取得好成绩。
if 引导的真实条件句，“主将从现”。
从句we study hard 是一般现在时，主句用一般将来时will get。
A 选项get 是一般现在时，不符合；C 选项got 是一般过去时，不符合；D 选项getting 不能单独作谓语。
3.If there is no water, plants _____.A.will dieB.dieD.died答案解析：A。
如果没有水，植物就会死亡。
“主将从现”，从句there is no water 是一般现在时，主句用一般将来时will die。
B 选项die 是一般现在时，不符合；C 选项dying 是现在分词，不能单独作谓语；D 选项died 是一般过去时，不符合。
4.If I have time, I _____ to the library.A.goB.will goC.wentD.going答案解析：B。
如果我有时间，我就会去图书馆。
“主将从现”，从句I have time 是一般现在时，主句用一般将来时will go。
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if 条件状语从句的时态练习（100分）
一.单项选择（15分）
（）1.If you _____ to the party, you’ll have a great time
A. will go
B. went
C. go
D. going
（）2. It will be a long time ____ Peter _____ his work.
A. since, has finished
B. after, finishes
C. when, will finish
D. before, finishes.
（）3. What will father _____ us from Japan?
A. take
B. bring
C. carry
D. make
（）4. Weifang is famous ______ kites
A. for
B. to
C. on
D. with
（）5．I ____ her the answer if she ____me.
A. can tell, will ask
B. will tell, will ask
C. would tell, ask
D. will tell, asks
（）6. – What are you going to do tomorrow? --We’ll go to the library tomorrow if it ___.
A. isn’t rain
B. rain
C. won’t rain
D. doesn’t rain
（）7.—Do you know when he will come back tomorrow?
--Sorry, I don’t know. When he ____ back, I’ll tell you.
A. comes
B. will come
C. come
D. may come
（）8. What will you do if you _____ to the old folk’s home visit?
A. go
B. went
C.going
D. will go
（）9. If I eat ____ food, I’ll be very fat.
A. too many
B. many too
C. too much
D. much too
（）10. I’ll give the book to him if he ___ here next Sunday.
A. will come
B. comes
C. is coming
D. came
（）11. There ____an English film in our school tomorrow.
A. is going to have
B. will have
C. is going to be
D. has
（）12. Could you tell us where ____？
A. will the next Olympic Games held
B. the next Olympic Games will be held
C. would the next Olympic Games be held
D. the next Olympic Games would be held
（）13. When my mother returned last night, I ____ a book.
A. read
B. am reading
C. was reading
D. am going to read
（）14.What ____ you ____ when it began to rain?
A. do, do
B. were, doing
C. are, doing
D. did, do
15. I’ll wake you up when he ____back.
A. will
B. is going to come
C. comes
D. come
二、用所给词的适当形式填空（每小题3分）
1.If you ________(feel) tired, you _________ (have) to have a rest.
2. Where _____ he ____(see) the film if he _________(have) time?
3. If there ____(be) fewer trees, there _______( be) more pollution.
4. He ___(dress) more casually if he ___( not work) on weekends.
5. If Marcia _______(live) alone, she _______( keep) a pet parrot.
6. Lana _____ buy) a new dress if the old one ____(be) out of style.
7.The twins _______(fight) if they__________(argue).
8. I ______(have) a bake sale if I ____(need) money for education.
9. Peter ____( send) me a beautiful souvenir if he ____(tour) Spain.
10. If Mr Green _______ (say) I am hard- working, my parents ___( feel) glad.
11.I ______(go) to the beach if it________ ( not rain) this week.
12. _____they ___( have) a match if the P.E. teacher __(be) busy?
13.He ____(write) a letter to his grandparents if he ____(get) his report card this week.
14. If she ______(get) up late, she _____ ( not catch) the early bus.
15. Peter ____(major) in English if he ____(pass) the exams in Peking University.
三完成句子(每小题4分)
1.如果他到的晚了会发生什么事情？What ______ _____ if he ____ late?
2. 如果努力学习，你就会取得好成绩。
If you_________ ________, you ______ ______good _______.
3. 他如果看电视太久了，他的父母会不高兴。
If he _____ TV too much, his parents _____ _________unhappy.
4. 如果我们为他组织生日聚会，大家都会来的。
Everyone _____ _____ if we _______a birthday party ________ him.
5. 如果明天不下雨，我会和你一起去公园的。
If it _____ ______tomorrow, I _____ go to the park ______you.
6. 如果她睡过头了，就会旅游迟到的。
he____ ___ ___ ___ the trip if she _____ ___
7. 如果他有空，他会帮助你的。
If he ____ ____ , he ______ ____ you.
8. 如果Tom考试不及格，他就没有机会上高中了。
Tom ______have the _____to go to the high school if he ________the exams.
9. 你如果抄同学的作业就不能学好各门功课。
You _______ _____ good at all the subjects if you ______ the other students’ hom ework.
10.如果你上课睡觉，老师会生气。
If you______ in class, your teacher ____ ____ ____ _____ you.。