if条件状语从句 课件好用
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由if引导的条件状语从句PPT27页
21、要知道对好事的称颂过于夸大，也会招来人们的反感轻蔑和嫉妒。——培根 22、业精于勤，荒于嬉；行成于思，毁于随。——韩愈
23、一切节省，归根到底都归结为时间的节省。——马克思 24、意志命运往往背道而驰，决心到最后会全部推倒。——莎士比亚
25、学习是劳动，是充满思想的劳动。——乌申斯基
由if引导的条件状语从句•源自6、黄金时代是在我们的前面，而不在 我们的 后面。
•
7、心急吃不了热汤圆。
•
8、你可以很有个性，但某些时候请收 敛。
•
9、只为成功找方法，不为失败找借口 (蹩脚 的工人 总是说 工具不 好)。
•
10、只要下定决心克服恐惧，便几乎 能克服 任何恐 惧。因 为，请 记住， 除了在 脑海中 ，恐惧 无处藏 身。-- 戴尔． 卡耐基 。
谢谢！
if条件状语从句 课件好用 (2)
Look and say
sunny this Sunday
go fishing .
If it is sunny this Sunday, I’ll go fishing .
P105 B
• William has five problems • Give him some advice from column A and B • 1 I sometimes forget to take the right book to school. • If you check your timetable every night , you’ll know which books to take.
• 2.Water turns into ice if you cool it. • 如果你冷却水，它就会变成冰。 主句 从句 用 （用/不用）逗号隔开 从句在主句前时，____ 当主句在前时，则____ 不用 （用/不用）逗号
If you drop a glass, it breaks.
If you heat ice, it melts.
1. He will help me with my maths if he ____ D free. A was B will be C would be D is 2. I don’t know_____ D he will come tomorrow.____ he comes, I’ll tell you. A if; Whether B whether; Whether C if; That D if ; If 3. Please tell her my telephone number wants (want) to know. if she _____
if-的用法PPT课件
1. If they had started earlier，they would have arrived in time． 要是他们早些有时可省略，然后将主 语与所用的限定动词(尤其是were，had，should) 倒置。
1. Should it (=if it should)be necessary，I will go. 倘若有必要，我会去的。 2. Were I(=if I were) in your place，I would do the same. 如果我处于你的位置，我也会这样干的5
C 虽引导宾语从句，但为了强调宾语部分，也
可把从句放在句首，此时只用whether不用if。 Whether he will come I am not sure. 他是不是来我拿不准。
D 从句作介词宾语时只用whether不用if。
It depends on whether it will be fine.那 得看是不是晴天。
四、if引导时间状语从句，当if做“当”或 “无论何时”解而不含有条件之义时，if从句 中的时态与主句中的时态相同。
1. If you mix yellow and blue，you get green． 你将黄色与蓝色混合，便会得到绿色。 2. If she wants the servant，she rings the bell. 每当她需要仆人时，她便按铃。
A. too many B. many too C. too much D. much too
10. I’ll give the book to him if he _B__ here next Sunday.
E 作discuss等动词的宾语时，用whether不
用if。
1. Should it (=if it should)be necessary，I will go. 倘若有必要，我会去的。 2. Were I(=if I were) in your place，I would do the same. 如果我处于你的位置，我也会这样干的5
C 虽引导宾语从句，但为了强调宾语部分，也
可把从句放在句首，此时只用whether不用if。 Whether he will come I am not sure. 他是不是来我拿不准。
D 从句作介词宾语时只用whether不用if。
It depends on whether it will be fine.那 得看是不是晴天。
四、if引导时间状语从句，当if做“当”或 “无论何时”解而不含有条件之义时，if从句 中的时态与主句中的时态相同。
1. If you mix yellow and blue，you get green． 你将黄色与蓝色混合，便会得到绿色。 2. If she wants the servant，she rings the bell. 每当她需要仆人时，她便按铃。
A. too many B. many too C. too much D. much too
10. I’ll give the book to him if he _B__ here next Sunday.
E 作discuss等动词的宾语时，用whether不
用if。
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
无忧PPT整理发布
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.
无忧PPT整理发布
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
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.
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.
初中英语if条件状语从句ppt课件
If she doesn’t exercise enough,
she will be heavier. 1.主将从现
可编辑课件PPT
7
If he cleans the room , he can get $10 from his mother .
If I watch TV late , I can’t get up early . If you get up late , you must take a bus to school .
8. If I _h_a_v_e_(have) much money in the future, I will travel all over the world.
可编辑课件PPT
11
1.用所给词的正确形式填空。 1.If youa_r_e (be) late, the teacher
will be angry. 2.He _w__il_l _b_e_c_o_m_e_(become) a soccer
可编辑课件PPT
10
5. If you _w__o_rk__(work) hard, your dream will come true.
6. If shes_t_u_d_ie_s_(study) hard, She will go to Beijing University.
7. If it _i_s_r_a_iny( rainy )tomorrow, I will play the piano.
give present, you are happy. I hope it won’t rain that day. ②
will be Because if it won’t rain, my little son will come, too. ③
if条件状语从句课件好用
汇报人：
经过多次审核和修改，确保课程的质量和准确性
内容：课件经过多 次审过严格 的审查，保证质量。
内容：课件中的例句 和练习都经过精心挑 选，有助于学习者更 好地掌握if条件状语 从句的用法。
内容：课件的编写团 队具有丰富的教学经 验和专业知识，保证 了课程的高质量。
价值高：掌握if条件状语从句对于提高英语写作和口语表达能力非常重要，能够 帮助学习者更准确地表达思想、更流畅地组织语言。
学习语法：通过学习if条件状语从句，学习者可以深入了解英语语法结构，掌握 正确的表达方式。
提高英语写作和口语表达能力：使用if条件状语从句可以让英语写作更加严谨、 条理清晰，口语表达更加自然流畅。
提供专业的售后服务，解决学习者在学习过程中遇到的问题
提供专业的售后服务，解决学习 者在学习过程中遇到的问题
定期更新课程内容，确保课件与 最新教学要求保持一致
拥有专业的教师团队，提供高质 量的教学服务
严格的质量控制体系，确保课件 质量稳定可靠
适用范围广，价值高
适合不同年龄段和英语水平的学习者使用
专业性强，质量有保障
由经验丰富的英语教师制作，确保课程的专业性
由经验丰富的英语教师制作，确保 课程的专业性
定期更新和改进，保持课件内容与 英语语言发展同步
添加标题
添加标题
添加标题
添加标题
经过严格的审核和校对，确保课件 内容的准确性和可靠性
提供专业的课程支持和售后服务， 解决用户在使用过程中遇到的问题
结构：if+主语+谓语+宾语，例如If you want to succeed，you must work hard.
时态：if条件状语从句的时态通常与主句保持一致，例如If I were you，I would choose to stay. 虚拟语气：在if条件状语从句中，有时需要使用虚拟语气来表示假设的情况，例如If I had known，I would have helped you.
经过多次审核和修改，确保课程的质量和准确性
内容：课件经过多 次审过严格 的审查，保证质量。
内容：课件中的例句 和练习都经过精心挑 选，有助于学习者更 好地掌握if条件状语 从句的用法。
内容：课件的编写团 队具有丰富的教学经 验和专业知识，保证 了课程的高质量。
价值高：掌握if条件状语从句对于提高英语写作和口语表达能力非常重要，能够 帮助学习者更准确地表达思想、更流畅地组织语言。
学习语法：通过学习if条件状语从句，学习者可以深入了解英语语法结构，掌握 正确的表达方式。
提高英语写作和口语表达能力：使用if条件状语从句可以让英语写作更加严谨、 条理清晰，口语表达更加自然流畅。
提供专业的售后服务，解决学习者在学习过程中遇到的问题
提供专业的售后服务，解决学习 者在学习过程中遇到的问题
定期更新课程内容，确保课件与 最新教学要求保持一致
拥有专业的教师团队，提供高质 量的教学服务
严格的质量控制体系，确保课件 质量稳定可靠
适用范围广，价值高
适合不同年龄段和英语水平的学习者使用
专业性强，质量有保障
由经验丰富的英语教师制作，确保课程的专业性
由经验丰富的英语教师制作，确保 课程的专业性
定期更新和改进，保持课件内容与 英语语言发展同步
添加标题
添加标题
添加标题
添加标题
经过严格的审核和校对，确保课件 内容的准确性和可靠性
提供专业的课程支持和售后服务， 解决用户在使用过程中遇到的问题
结构：if+主语+谓语+宾语，例如If you want to succeed，you must work hard.
时态：if条件状语从句的时态通常与主句保持一致，例如If I were you，I would choose to stay. 虚拟语气：在if条件状语从句中，有时需要使用虚拟语气来表示假设的情况，例如If I had known，I would have helped you.
if引导的条件状语从句课件.ppt.ppt
中考真题：
（2011安徽）
1.If the rain s_to_p_s____(stop) tonight, we will go to the cinema.
（2012黑龙江） 2.I’ll buy a computer ihfavIe ______(have) enoug
money.
（2013内w蒙on古’t ）get
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.
练一练：
1。如果她早点儿起床，就有时间在家里吃早餐 If she__g_e_ts_u_p__a little earlier, she’ll have 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 _ra_i_n_stomorrow, we _w_o_n_’t_g_o_ for 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 _li_ke_English.
3. If she__w_in_s____ (win) the prize ,we w__il_l_b_e__(be) happy.
4.If I _d_o_n__’t_e_a_t_ (not ,eat )so much ,I __w_i_ll__g_e_t _(get) thinner.
if引导的条件状语从句ppt课件
1.If It______ (rain) tomorrow, I______(stay) at home.
6
If it rains tomorrow, I_w__il_l _w_a_t_c_h_T_V__a_t_h_o_m__e__.
If it _d_o__e_sn_'_t_r_a_in___ tomorrow,
_I'_ll_p_la_y_b_a_s_k_et_b_a_ll___.
7
练一练：
1。如果她早点儿起床，就有时间在家里吃早餐 If she____ge_t_s__uaplittle earlier, she'll have time to eat breakfast at home. 2。如果你参加聚会，你将会过得很开心。 If you__j_o_inthe party ,you___w__ill_h_a_v_ea great time. 3。如果明天下雨，我们将不去野餐 If it __r_a_itnosmorrow, we __w_o_n_'_t _gofor a picnic. 4。如果你经常听英文歌，你将会喜欢英语 If you often ____lis_t_e_nEtnoglish songs, you___w_i_ll_lEikneglish.
exercise. ? A. if, B, unless C, whether ? 2. _______ you hurry up, you will miss the early
bus. ? A. if, B, unless C, whether
12
2.考时态---做题思路： 认字-- 判断语境提供的时态特点--选择正确的时态
9
拓展：那么，除了 if之外，是否
6
If it rains tomorrow, I_w__il_l _w_a_t_c_h_T_V__a_t_h_o_m__e__.
If it _d_o__e_sn_'_t_r_a_in___ tomorrow,
_I'_ll_p_la_y_b_a_s_k_et_b_a_ll___.
7
练一练：
1。如果她早点儿起床，就有时间在家里吃早餐 If she____ge_t_s__uaplittle earlier, she'll have time to eat breakfast at home. 2。如果你参加聚会，你将会过得很开心。 If you__j_o_inthe party ,you___w__ill_h_a_v_ea great time. 3。如果明天下雨，我们将不去野餐 If it __r_a_itnosmorrow, we __w_o_n_'_t _gofor a picnic. 4。如果你经常听英文歌，你将会喜欢英语 If you often ____lis_t_e_nEtnoglish songs, you___w_i_ll_lEikneglish.
exercise. ? A. if, B, unless C, whether ? 2. _______ you hurry up, you will miss the early
bus. ? A. if, B, unless C, whether
12
2.考时态---做题思路： 认字-- 判断语境提供的时态特点--选择正确的时态
9
拓展：那么，除了 if之外，是否
UNIT 8if条件状语从句_课件好用
• As long as technology develops, our future lives will be more convenient. • You can stay in my room as long as you keep it clean. • We may become lazy if we have robots do everything. • If we want to read, we can download e-books. • Computers are our friends unless you use them in the wrong way. • Unless you tell little John a story, he won’t go to sleep.
• 由例句我们可以知道： • 在if 引导的条件状语从句中，如果从句谈论 的是一个有可能发生的事实以其产生的相 一般现在时态 主句用 关结果，从句用_____________, 一般将来时态 _______________.
(主将从现)
条件状语从句
• 主句 will do 一般将来时 • If 从句 do/does 一般现在时 • 主将从现 • If you jump,I jump.
的时候
eg. You will be late for class unless you start right now. 除非你现在出发否则的话年上学就会迟到的。 Unless it rains, the game will be played. 除非下雨，否则比赛将照常进行。 if...not与unless(=if…not…) 及or的同义句转换。
例句. Hurry up, or you will be late. =If you don’t hurry up, you will be late. =Unless you hurry up, you will be late.
If 引导的条件状语从句(共17张PPT)
思考
I don’t know if he _w_il_l _co_m_e_(come)to our party tonight. If he _c_om__es_(come), I will tell you.
结论: 当if作“__如__果__”_讲时，用“主将从现”； 当if作“__是__否__”讲时，根据句意和时态选择合适的时态。
get tired? 7. Where (_w__il_l_/ do/does) they live if they (will miss/ _m_i_s_s_/ misses) the
bus? 8.If you_(_fe__e_l / will feel) hungry, you (s_h__o_u_l_d / must) eat something.
if条件状语从句的意义：表示在某条件下，某事很可能 发生。
语法规则： 1.条件句,放在前,逗号要放句中间； 2.主将从现
If you don’t stay at home, what will you do ? where will you go?
If you don’t stay at home, I __w_i_l_l _g_o_ shopping.
If hazy weather comes,
we will stay at home. /don't go out. /we should drink more water. ...
If 引导的条件状语从句
Learning objectives（学习目标）:
1.Master the sstrtruucctuturreeaanndduussee of conditional
TIfhahta’szynowt eeantohuegrhc.omes,
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b d g a h c f e
heat ice, it turns into 1. If you ___________________water. bursts if you stick a pin into 2. A balloon _____________________ it. cool steam, it turns into 3. If you ___________________water. melts if you heat 4. Metal _____________________it. if you put it into 5. Wood floats _________________water. breaks if you drop it. 6. A glass_________________
Exercises :
4. Will you come and stay with us for a while if you ______ finish (finish) doing your homework? 5. Wang doesn’t know if there _________ will be (be) an English evening next week. 6. Mike asked me if we ___________ would ask (ask) any questions the next class. 7. We are going for picnic tomorrow. I’ll call B Wendy to make sure________. A why to start B when to start C what to start D which to start
Actions with possible results
• 读下列例句，总结if 的用法： • • • • • • • • 1.If he runs, he’ll get there in time. 如果他跑步去，就会及时赶到那。 2.He will help you if you ask him. 如果你请他帮忙，他会帮你的。 3.If you fail in the exam, you will let him down. 如果你考试失败了，你会让他失望的 4.If you get up late, you will be late for school. 如果你起床晚了，上课就会迟到。
Байду номын сангаас
8. --- Would you please tell me____ C next? --- Think it over. You’ll find a good way. A when to do B how to do C what to do D where to do D If he ___, I 9. I don’t know if my uncle _____. will be very happy. A comes; will come B will come; will come C comes; comes D will come; comes C going to Shanghai. 10. Either you or I _____ Only one person may go there. A are B were C am D was
Look and say
sunny this Sunday
go fishing .
If it is sunny this Sunday, I’ll go fishing .
P105 B
• William has five problems • Give him some advice from column A and B • 1 I sometimes forget to take the right book to school. • If you check your timetable every night , you’ll know which books to take.
• 如果你站在雨里，就会淋湿。
• 4.If you drop a glass, it breaks. • 如果你把玻璃杯掉在地上，它就会碎。
• 由例句我们可以知道： • 如果if引导的条件句谈论的是一种 真理/ 客观事实 时，主句谓语动词便不用 ____________ 一般现在 时 shall/will+动词原形，而直接用_______ 的动词形式。
If 的两个意思:
• If:
“如果” 引导条件状语从句
主现从现/主将从现
I will go to the cinema if it doesn’t rain.
“是否”引导宾语从句
I don’t know if he will come tomorrow. if可用将来时
If 引导的条件状语从句不用将来时，意思 为“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 ____________ doesn’t rain (rain) tomorrow. Ben wants to know if it___________ will be (be) fine tomorrow. 是否
(C) 11. If it ______ sunny tomorrow, I ____ boating. A. is go B. will be, go C. is, will go D. will be, will go
( B) 12. -- what will you do if it ______ tomorrow, --I’ll stay at home and watch TV. A. rain B. rains C. will rain D. is raining
一、判断正误，如果有误，请更正
1. If you will do more exercise this summer, you will be very fit. will do → do 2. The candle burns , if you light it. 把逗号去掉
3. I will build many schools for the poor children if I win a billion dollars. 正确
一般现在时 时态) 主句和从句都用_____________( 客观事实 /普遍现象 因为if引导的条件句说的是 _____________ If you stand in the rain, you get wet.
Actions with definite results
• 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.
• 2.Water turns into ice if you cool it. • 如果你冷却水，它就会变成冰。 主句 从句 用 （用/不用）逗号隔开 从句在主句前时，____ 当主句在前时，则____ 不用 （用/不用）逗号
If you drop a glass, it breaks.
If you heat ice, it melts.
a lot of money
a big house
If I have a lot of money, I will buy a big house.
Look and say
hard-working
get good grades
If she is hard-working, she will get good grades.
Look and say
If you get up late, you
will be late for school.
get up late
late for school
Look and say
If the telephone rings,
I will answer it.
ring
answer
Look and say
4. If you freeze water, it will turn into ice.
will turn → turns
5. My uncle visits the museum if he will have time. visits → will visit,
will have → has
11. He_______ will help (help) me with my maths if is he ____ (be) free. will come tomorrow. 12. I don’t know if Jim ________ If he comes _______, I will be very glad. (come) Tell (tell) her my telephone number if 13. _____ wants she ______(want) to know. will go is 14. If it ____ (be) sunny tomorrow, I ______ (go) boating. boil turns 15. If you ______ (boil) water, it _______ (turn) into steam. travel 16. You can ________ (travel) around the have world if you ________ (have) money.