初中英语人教新目标 (Go for it) 版八年级上册Section A课堂教学课件ppt

这是一份初中英语人教新目标 (Go for it) 版八年级上册Section A课堂教学课件ppt，共18页。PPT课件主要包含了Lead-in，主祈从现，主情从现，主现从现 客观现实，unless，isn’t，take， A，Exercises，don’t等内容，欢迎下载使用。
1. 语言能力：能够掌握“if” 引导的条件状语从句的意义和用法。2. 学习能力：（1）能够通过自主学习、合作学习的方式总结“if” 引导的条件状语从句的意义和用法； （2）通过完成课时任务，提升举一反三的学习能力。3. 思维品质：（1）能够从不同方面分析生活中遇到的问题；（2）能够合理预判不同选择所带来的不同结果。
用if将下列句子合并成一句话
It will be sunny tmrrw.
I will g ut with my friend.
If it is sunny tmrrw, I will g ut with my friend.
I will g ut with my friend if it is sunny tmrrw.
Grammar Fcus
1. Call me if yu need any help.2. Dn’t g ut if it rains tmrrw.3. If I am late, please dn’t wait fr me.
4. If the traffic light is red, yu must stp.5. If yu help with husewrk, I can have a rest. Yu may get better grades if yu are mre careful.
7. Water turns int ice if the temperature is belw zer.8. All living things die if there is n water.9. It snws if the temperature is really lw.
10. I dn’t knw if/whether it will snw tmrrw.11. He asks me if/whether he can g t the cncert.12. I am nt sure if/whether he is 12 years ld.13. Can yu tell me if/whether she is Lisa?
宾从：是否=whether
思考条件状语从句中if的作用/成分是什么？条件状语从句中时态有哪几种？3.If还可以引导什么从句？如何判断？
1.当主句用一般将来时时，if引导的条件状语从句用一般现在时。(主将从现)
2.如果主句是祈使句，那么从句通常也是一般现在时。 (主祈从现)
3.如果主句含有must，can，may 等情态动词，从句多用一般现在时。(主情从现)
4.表示真实条件、客观真理、自然现象、定理定义、 民间谚语等，句型是：If + 句子 （一般现在时），主句 （一般现在时）. (主现从现)
if还可以用于宾语从句中，表示“是否”（=whether），时态需根据语境确定。
祈使句, and/r + 将来时态的陈述句.Wrk hard, and yu will make great prgress.=If yu wrk hard, yu will make great prgress.Hurry up, r yu will be late.=If yu dn’t hurry up, yu will be late.
and/r 与条件状语从句
Listen carefully in class and yu will pass the exam.=If yu listen carefully in class, yu will pass the exam.Dn’t watch TV at night r yu will g t bed late. =If yu watch TV at night, yu will g t bed late.
unless引导的条件状语从句
unless 意为“除非”，和if…nt 的意思相近
If yu dn’t finish yur hmewrk, I wn’t let yu play utside.= Unless yu finish yur hmewrk, I wn’t let yu play utside.
1. 如果明天不下雨，我们就去远足。 If it _____________________, we will g hiking. =We will g hiking ___________________________.2. 如果这块手表不是你的，你就不能拿走它。Yu can’t _______ this watch away ________ it is yurs. =If this watch _______yurs, yu can’t _______ it away.3. 如果你现在不走，你就赶不上火车了。 If yu ______________, yu __________________ the train. = ___________________, yu wn’t catch the train.
unless it rains tmrrw
desn’t rain tmrrw
dn’t leave nw
Unless yu leave nw
wn’t catch/will miss
1. I think my mther ________ if she _______ free tmrrw. A. will cme; is B. cmes; is C. cmes; will be D. will cme; will be2. If she likes it, she _______ it sn. A. read B. reads C. will read D. reading
3. He will g ut with yu after he _______ his hmewrk. A. finishes B. will finish C. is finishing D. finish
1. If yu______hurry up, yu _________late. = Yu______ late _______ yu hurry up.2. _______yu _____ (want) t meet me, _____ (call) me.3. Yu can _____ (pass) the exam if yu ________ (prepare) fr it. 4. If I have a dream, I __________ (keep) wrking n it seriusly. 5. —Jin us if it _________ sunny this weekend. —I’d lve t. But nbdy knws if it _________sunny.6. Mary walks the dg every day______ bad weather stps her.7. If she ___________ set ut nw, she _________ late.= She _________ late _______ she sets ut nw.8. If yu _______(jump) n the mn, yu ________(jump) higher.
We dn’t take the rcket. We can’t fly int space.T becme the tp students, yu must study hard. I have enugh time. I make full preparatins fr the final exam.I wn’t play basketball. It will rain tmrrw.
If we dn’t take the rcket, we can’t fly int space.We can’t fly int space unless we take the rcket.
Yu must study hard if yu want t becme the tp students.Unless yu study hard, yu can’t becme the tp students.
If I have enugh time, I will make full preparatins fr the final exam.
I wn’t play basketball if it rains tmrrw.
Dear Su Mei, I dn’t _______ (knw) what t ______ (d) abut ging t Mike’s birthday party tmrrw night. My parents ______ (think) I shuld study fr my English exam next week. If I _____ (g) t the party, they ______ (be) upset. Mike ______ (tell) us t wear nice clthes, but I dn’t ______(have) any. If I ______ (wear) jeans, I _______ (lk) the wrst. Als, I’m nt sure hw t ______ (g) t the party. If I _______(walk), it ________ (take) me t lng. If I _______ (take) a taxi, it _______(be) t expensive. Can yu give me sme advice please?Tina
Fill in the blanks with the crrect frms f the verbs in brackets.
Cmplete the sentences using yur wn ideas.
1. If I get up late tmrrw, ___________________________2. If I dn’t finish my hmewrk, ______________________3. If I dn’t get enugh exercise, _______________________4. I will nt have enugh time t study if ____________________________________________5. I will nt make any friends if _______________________________________
I’ll be late fr schl.
my teacher will be upset.
I’ll becme very heavy.
I play cmputer games after schl every day.
I dn’t g t my friends’ parties.