if条件状语从句 PPT课件

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if 条件状语从句 课件

if 条件状语从句 课件
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练一练:
1。如果你请求他,他会帮你的 If you ___him, he ___ ____you 2。如果她早点儿起床,就有时间在家里吃早餐 If she____ ____a little earlier, she’ll have time to eat breakfast at home. 3。如果你参加聚会,你将会过得很开心。 If you____ the party ,you_____ ____ a great time. 4。如果明天下雨,我们将不去野餐 If it ____tomorrow, we _____ _____ for a picnic. 5。如果你经常听英文歌,你将会喜欢英语 If you often _____ ____English songs,you___ ___English.
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用法:
1. 如果主句是一般将来时,从句则用一般现在时。
If it rains(从句), I will stay at home. I’ll go with you if you don’t want to go alone(从句).
2.如果主句含有must, may, can 等情态动词,从句也要用
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Please call me if he comes next Sunday.
4.表示假设,表示将会发生和可能发生的事,
或进行提醒警告。 If +句子(一般现在时),+主句(主语will/may/can) +动词)
If you finish your homework , you can go out and play. If I have enough money next year , I will go to travel .

人教版中考英语复习if引导的条件状语从句课件(共29页)

人教版中考英语复习if引导的条件状语从句课件(共29页)

he,have free time, go to Shanghai ,
If he has free time, he will go to Shanghai.
she, study hard, she, get good grades
If she studies hard, she will get good grades.
--I’ll stay at home and watch TV.
A. rain
B. rains
C. will rain
D. is raining
B
summary
if 条件句不一般, 几个要点记心间; 条件句,放在前, 逗号要放句中间。 条件句表可能, 主将从现不一般; 条件句表事实, 主句常用现在时 If还有“是否”意 , 宾语从句放后边
“主情从现”
3. if 条件状语从句中,主句是祈使句, 从句用_一__般__现__在__时___表示将来。 主__祈__从__现___原则。
例如:Don’ t wait for me if I _a_m___ (be) late.
if 引导的条件状语从句时态
主将从现 祈使句 情态动词
I will sing a song if I am happy.
也可以放在主句后。 从句位于主句之前时,常用逗号将其与主句隔开。
原句可改为:
I’ ll finish it before I go to bed if I start after dinner
三, 含if条件状语从句的主从复合句 的时态
1. if 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 主__将_从__现___原则。

高考英语if条件状语从句课件(共34张PPT)

高考英语if条件状语从句课件(共34张PPT)

If条件句:条件句用于陈述语气,表示假设的情况可能发生,
其中 if 是“如果”的意思。
构 成
条件从句
主句
时 态
If+一般现在时 主语+shall/will+动词原形
例 句
If he comes,
he will take us to the zoo.
用法:
1. 如果主句是一般将来时,从句则用一般现在时。
3. 如果主句是祈使句,从句同样要用一般现在时。
Don’t go and play football if you don’t finish your homework.
Please call me if he comes next Sunday.
4.表示假设,表示将会发生和可能发生的事,
或进行提醒警告。 If +句子(一般现在时),+主句(主语will/may/can) +动词)
a good one.
4. If the light _d_o_e_s_n_’t__co_m__e_ (not come) on, _w__a_it (wait) for one minute.
If 条件状语从句(1)
句型结构
祈使句+if条件状语从句 if条件状语从句,+祈使句(从句后加逗号)
时态
果不早点起床,上学就会迟到。
2. If I play games on it , it will go wrong .
如果我用它玩游戏,它就会坏掉。
3. If you finish the homework, you can go home. 如果你作业做完了就可以回家了。
4. If you want to lose weight you must/should eat less bread. 如果你想减肥,你必须少吃面包。 5.If you heat ice it turns to water. (也可用will turn) 如果把冰加热,它就会化成水。

if-条件状语从句复习课件

if-条件状语从句复习课件

with her. is
won’t argue
5.I want to know if he _________(come) tomorrow, if he _______(come), I __________(give) the massage to him.
will come
comes
will give
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t
第17页,共21页。
A: Oh! But ___if__ you don’t go to the party,
you __w_i_ll__ miss all the fun!
B: I know, but I got into a _f_ig__h_t with my
parents.
A: Hmm… then you should just says_o_r_r_y_
to your parents.
B: I guess you’re right. I w__il_l ___ talk to
them tonight.
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第18页,共21页。
3. Use your imagination! What will you do if…
一般现在时。 If you drive too fast, you may have an accident.
You must stop if the traffic is red. If you finish the homework, you can go home. 如果你作业做完了就可以回家了。
meeting, teenagers, video, experience
1. If my family travels to a new country

if引导的条件状语从句.优秀精选PPT

if引导的条件状语从句.优秀精选PPT
① If you help me, I'll finish my job soon. (也可用will turn)如果把冰加热,它就会化成水。 (4)用含介词with或without的介词短语转换。 (3)当主句含有情态动词时,if引导的条件状语从句通常用一般现在时。 如果你做完了作业,你现在可以回家了。 He ____will write (write) a letter to his grandparents if he ___gets_(get) his report card this week. 在复合句中:⑴ 当主句是一般现在时或是一般将来时时; If 引导的条件状语从句 如果 if 条件句谈论的是重复发生和预示要发生的情景和事件,则主从句大多用一般现在时态。
件状语从句通常用一般现在时。
We
must study hard if we want to pass the final exam. 如果想通过期末考试,我们必须努力 学习。
祈使句时;(3)当主句含有情态动词时,if引导的条件状语从句通常用 一般现在时。如:
• If she doesn’t come, she will be sorry. 如果她不来,她会遗憾的。 • Have a good rest if you are tired. 如果累了,你就好好休息一下。 • We must study hard if we want to pass the final exam. 如果想通过期末考
④ 主句为一般现在时时态,if从句用 It’s dangerous if you play with the knife.
一般现在时态。(主现从现
玩儿刀是危险的。
• If you do, you’ll be sorry.

条件状语从句完整课件

条件状语从句完整课件


4.provided that…. / providing (that ) conj.假若
"provided / providing +(that)从句"表示一种 假设条件。 He will sign the contract provided (that) we offer more favorable terms. 如果我们提出更优惠的条件,他就会在合同上签 字。 He won't be against us in the meeting providing (that) we ask for his advice in advance. 如果我们提前征求一下他的意见,他就不在会上 反对我们。

如果你作业做完了就可以回家了。 If you have finished the homework, you can go home.

1. If 从句 (一般现在时), 主句 ( 一般现在时 )
表示科学常识,说明, 经常性的动作,倾向 自动会发生的事 1. If water is heated, it turns to steam. 2. If people don’t get enough sleep, their thinking ability is reduced . 3. If I need a haircut, I usually go to the barber’s near where I live. 4. People often don’t go out on Sundays if it rains.

2.表示将来的可能性,能力, 允诺, 命令,要求,请求,建议时, 运用“主将从现”的原则。
1. If I get the job, I’ll buy a mobile phone. 2. If my homework is difficult, I’ll ask Helen to help me. 3. If I have time this afternoon, I’ll go to the barber’s to get a haircut.

If引导的条件状语从句ppt课件

If引导的条件状语从句ppt课件

Please call me if you go shopping next Sunday.
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2
If 引导的条件状语从句
If I go there,I'll take her some flowers. We'll stay at home if it rains tomorrow. Please call me if he’s at home.
9.Hurry up!Or you ______(be)late again.
The teacher will be angry if he is late.
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3
If 引导的条件状语从句
If引导的条件状语从句与unless引导的条件状语从句的转换
If+否定形式=unless+肯定形式
You won’t pass the exam if you don’t work hard. =You won’t pass the exam unless you work hard.
If you don’t go to bed earlier,you will feel tired in the morning. =Unless you go to bed earlier,you will feel tired in the morning.
If it doesn’t rain,he will play with me tomorrow. =Unless it rains,he will play with me tomorrow.
If she doesn’t come,I’ll go shopping alone. =Unless she comes,I’ll go shopping alone.

初中英语语法 if 引导的条件状语从句的基本用法课件

初中英语语法 if 引导的条件状语从句的基本用法课件
If 意为“如果”,引导条件状语 从句,表示假如从句的动作发 生,主句的动作就(不)会发生。
If it doesn't rain, I will go to the cinema tomorrow.
从句位置灵活,可放在主句之 前,但要用 逗号与主句隔开;也 可放在主句之后。
My mother will take me to the park if she is free.
If he has free time, he will go to Shanghai.
If 引导的条件状语从句------句型转换
1. 借助“祈使句+and/or+句 子”来转换 (and 表顺承, or 表转折) If you study hard, you will pass the exam easily. = Study hard, and you will pass the exam easily. = Study hard, or you won’t pass the exam.
if引导的条件状语从句,在if 引导条件状语从句中要用现 在时态替代将来时,类似还 有连词before,as soon as, while,when等。
2. if 条件状语从句中,如果主句有 must,can,may 等情态动词,从
句用_一__般__现__在__时__。
例如:You must stop if the traffic light ___is_ (be) red.
3. if 条件状语从句中,主句是祈使句, 从句用__一___般__现__在___时表示将来。 主___祈__从___现_原则。
例如:Don’ t wait for me if I __a_m__ (be) late.

if的用法总结及例句PPT

if的用法总结及例句PPT

与“in case”的联系
in case可引导目的状语从句,相当于if引导的条件状语 从句。例如:“Take an umbrella in case it rains.”( 带把伞以防下雨。)
熟练运用if在固定短语和句型中应用
“If only”句型
表示对现在或将来的虚拟假设, 通常用于表达遗憾或愿望。例如 :“If only I had more time, I could finish the project.”(要 是我有更多的时间,我就能完成 这个项目了。)
典型例句
01
If it rains tomorrow, we will stay at home.(如果 明天下雨,我们就呆在家里。)
02
If I were you, I would take the job.(如果我是你 ,我就会接受这份工作。)
03
If he had known the answer, he would have told me.(如果他知道答案,他就会告诉我。)
功能
用于表达在某种条件下会产生的结果 或采取的行动。
结构特点
01
if从句+主句
if引导的条件状语从句通常位于 主句之前,由if引导,后面紧跟 主句。
时态呼应
02
03
虚拟语气
if从句中的时态通常与主句中的 时态相呼应,表达相应的假设条 件。
在if引导的虚拟条件句中,从句 和主句的时态往往采用虚拟语气 ,表达与事实相反的情况。
“As if/though”句 型
引导方式状语从句,表示比喻或 虚拟的情况。例如:“She speaks English as if she were a native speaker.”(她说英语就 像以英语为母语的人一样。)

if_条件状语从句复习课件

if_条件状语从句复习课件

If I’m late, I will say sorry _________________.
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Look and say If I’m hungry, eat some food I will______________.
If I’m tired, have a rest I will_____________.
The mother promised to buy her son a bike on condition that he pass the English test.
妈妈答应给她儿子买自行车的条件是他英语考试必须及格。
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Suppose, supposing 如果,假如
Suppose ( Supposing) he is absent, what shall we do? 假如他缺席,我们怎么办? Supposing (that) you miss him, he is not likely to miss you. 即使你碰不到他,他也可能碰到你。
• 2. 非真实条件句是虚拟语气的一种,表示与事 实相反 ,不可实现的条件或根本不可能存在的 条件,也就是一种虚拟的条件或假设,从句多用 一般过去时或过去完成时。 • 如: If I were you, I would invite him to the party. • 如果我是你,我会邀请他参加聚会。 • I would have arrived much earlier if I had not been caught in the traffic. • 如果没有堵车,我会到的早一点儿。 • If I were you, I would go with him. • 如果我是你,我会和他一起去的。 无忧PPT整理发布

if条件状语从句复习-自己上课课件课件PPT

if条件状语从句复习-自己上课课件课件PPT
if条件状语从句复习
• if条件状语从句的定义和结构 • if条件状语从句的时态 • if条件状语从句的用法 • if条件状语从句的注意事项 • if条件状语从句的练习与巩固
01
if条件状语从句的定义和结构
定义
总结词
if条件状语从句是一种表示假设条件 的从句,通常用于描述在某种条件下 某件事情会发生或不会发生。
总结词
表示过去的条件或假设。
详细描述
If条件状语从句的过去时态通常用于表示过去的条件或假设,主句和从句的谓语动词 通常使用一般过去时。例如,“If he had known the answer, he would have told you.”(如果他当时知道答案,他就会告诉你。)
将来时态
总结词
详细描述
if条件状语从句是英语语法中的一种重 要从句类型,它通常以“if”作为引导 词,后面跟随一个表示条件的子句, 再接着是一个表示结果的子句。
结构
总结词
if条件状语从句的结构包括引导词“if” 、条件子句和结果子句三部分。
VS
详细描述
if条件状语从句的结构通常为“if+条件子 句(用一般现在时表示),则+结果子句”。 例如,“If it rains tomorrow, we will stay at home.”(如果明天下雨,我们就 会待在家里。)在这个例子中,“if it rains tomorrow”是条件子句,“we will stay at home”是结果子句。
02
if条件状语从句的时态
现在时态
总结词
表示当前存在的条件或假设。
详细描述
If条件状语从句的现在时态通常用于表示当前存在的条件或假设,主句和从句的 谓语动词通常使用一般现在时。例如,“If you study hard, you will succeed.” (如果你努力学习,你就会成功。)

if_条件状语从句PPT课件

if_条件状语从句PPT课件
If I get up too late, I will go to school by bus. 如果我起床太迟了,我会坐公交车去上学。 If you walk to school , you will be more healthy. 如果你走路去上学,你会更健康。
If everyone obeys the traffic rules, the roads will be safer. 如果人人都遵守交通规则,道路 会更加安全。
10
结束语
当你尽了自己的最大努力时,失败也是伟大的, 所以不要放弃,坚持就是正确的。
When You Do Your Best, Failure Is Great, So Don'T Give Up, Stick To The End
演讲人:XXXXXX 时 间:XX年XX月XX日
Translation
1 如果她早点儿起床,就有时间在家里吃餐。 2 如果你参加聚会,你将会过得很开心。 3 如果明天下雨,我们将不去野餐。 4 如果你经常听英文歌,你将会喜欢英语。
写在最后
成功的基础在于好的学习习惯
The foundation of success lies in good habits
If Adverbial Clauses of Condition If 引导的条件状语从句
What will happen if you go to school late ?
If I go to school late, I will feel nervous
If I get up too late,
Drills/exercise:
1I。f s如he果_她g_e_早t_s点_u儿_p_起_床a l,itt就le有e时ar间lie在r,家sh里e’吃l早l h餐ave time to eat breakfast at home. 2。如果你参加聚会,你将会过得很开心。 If you_jo_i_n_ the party ,you__w_i_ll_h_a_ve__ a great time. 3。如果明天下雨,我们将不去野餐 If it r_a_in_s_tomorrow, we _w_o_n’__t_g_ofor a picnic. 4。如果你经常听英文歌,你将会喜欢英语 If you often _l_is_te_n_t_o_English songs, you_w_i_ll _lik_e_English.

if条件状语从句-课件(共31张PPT)

if条件状语从句-课件(共31张PPT)
hard-working
get good grades
If she is hard-working,
she will get good grades.
Look and say
sunny this Sunday
go fishing .
If it is sunny this Sunday, I’ll go fishing .
• 读下列例句,试着自己总结if 的用法:
• 1. If you heat metal, it melts. • 如果把金属加热,它就会融化。 • 2.Water turns into ice if you cool it. • 如果你冷却水,它就会变成冰。 • 3.If you stand in the rain, you get wet.
A if; Whether B whether; Whether
C if; That D if ; If
3. Please tell her my telephone number if she _____ (want) to know.
wants
4. Will you come and stay with us for a while if you
“如果”。
If 引导的宾语从句可以用将来时,意思为“是
否”。
如果
Betty will visit the History Museum if it __d_o_e_s_n_’_t_r_ai_n_ (rain) tomorrow.
Ben wants to know if it____w_il_l b_e____ (be) fine tomorrow.
P105 B
• William has five problems • Give him some advice from column A and B
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If从句(条件状语从句)
If it is fine tomorrow, I will climb the mountain.
If it is sunny this weekend, what will you do ?
If it is sunny this weekend, I __w_i_ll_p_l_a_y__ football with my classmates.
If you feel hungry, you should eat something.
If you feel tired, you must have a rest.
Look and say
If I’m ill, _I_w_i_l_l _s_e_e__a_d_o__c_to__r_.
If I’m late, _I _w_i_ll__s_a_y_s__o_r_ry____.
If it _d_o_e_s__n_’t__ra_i_n__ tomorrow,
_I’_ll_p_l_a_y_b_a_s_k_e_t_b_a_ll_.
practice
If you are free this weekend, what will you do ?
sleep
If I am free ,… watch TV
If it is sunny this weekend, what won’t you do ?
If it is sunny this weekend, I _W__o_n_’_t _s_ta_y__a_t_h_o_m__e____.
If it is sunny this weekend, I _w__o_n_’_t _w_a_t_c_h_t_e_le_v_i_s_io_n__.
(“主”将从“现”)
If I get up late, I will be =I will be late for
late for school.
school if I get up
If I don’t finish my homleawteo.rk,
I won’t go to bed.
Байду номын сангаас
• 1.主将从祈
If you are ill, you should go to see a doctor.
If you are riding a bike in the street, you must be very careful.
If it rains tomorrow, I_w_i_l_l _w_a_t_c_h__T_V__a_t_h__o_m__e. I won’t__p_la__y_b_a__s_k_e_t_b_a_ll_.
(not wait ) for him.
3. If you _b_u_y_ (buy) a new camera, __g_et_ (get)
a good one.
4. If the light _d_o_e_s_n_’t__co_m__e_ (not come) on, _w__a_it (wait) for one minute.
play computer games
Complete the sentences with the correct form of the words.
1.If you __li_s_te_n__(listen) to the music, _b_u_y__ (buy) a CD.
2. If he___is___ (be) late for school,d_o_n_’t_w__ait
• 2.主将从现 if… will/won’t
• 3.主情(can,may,should,must)从 现
Look and say
If I’m hungry,
I will_e_a_t_s_o_m__e__fo_o_d__.
If I’m tired,
I will__h_a_v_e_a__r_e_s_t __.
e.g. 1.If you don’t get up early, you will be late for school .你如
果不早点起床,上学就会迟到。
2. If you finish the homework, you can go home. 如果你作业做完了就可以回家了。
If you have enough pocket money, what will you buy?
• If I have enough pocket money, • I ____________________.
Grammar 条件状语从句
由if引导的从句叫条件状语从句,if意为“如果” 当主句是一般将来时时,if引导的从句必须用现 在时来表示将来可能发生的动作或存在的状态。
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