初中英语人教新目标 (Go for it) 版八年级上册Section A集体备课课件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集体备课课件ppt，共25页。PPT课件主要包含了Summary，Practice等内容，欢迎下载使用。
What will yu d if it is sunny this weekend?
g t the park
play ftball
If it is sunny this weekend,
I will ____________
What will yu d if it rains this weekend?
stay at hme
d my hmewrk
listen t sme music
If it rains this weekend, I will _______________.
--What/Wh/Hw will…?--I will ….--…If yu d, …will… .--What will…if we… ?--If we …, …will… .-….
watch a vide?…
什么叫状语从句：又叫遛狗从句 主句+连接词+从句
I feel very happy when yu cme t see me.
Because I had t much wrk t d I didn’t sleep last night
If yu take the bus t the party, yu’ll be late.
If yu stay at hme, yu’ll be srry.
为避免重复,条件状语从句常用助动词d(des/did)来替代上文所提到的动作。
Grammar Fcus
Studying by yurselves.(自学)
1.大声读grammar fcus句子2.画出if引导的条件状语从句的句子并思考它们的用法)
if引导的条件状语从句中，if的意思是______. 其中if所在的半个句子是______(主句/从句),用__________时态,该句表示_______(条件/结果)；而另外的半个句子是_____(主句/从句),用__________时态,该句表示_______(条件/结果)。
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。 (即主将从现)
注意：if引导的条件状语从句通常不用一般将来时。
If he _____ (get) up late,he_____ (be) late fr schl.如果你想聊天，打我电话。If it_____ (rain) tmrrw，I _________ (stay) at hme.如果明天下雨，我将呆在家里。
He will be late fr schl if he gets up late.
I'll stay at hme if it rains tmrrw.
if引导的条件状语从句
2.如果主句是祈使句，那么从句通常也是一般现在时。 (即主祈从现)
If yu _____ (want) t have a chat ,_____ (call) me up.如果你想聊天，打我电话。__________ (nt wait) fr me if I _____ (be) late.如果我迟到，就别等我。
Call me up if yu want t have a chat.
If I am late,dn't wait fr me.
2. 有些句子可与含if条件状语句互相转换。①祈使句 + and/r + 陈述句。Hurry up, r yu’ll miss the train. = If yu dn’t hurry up, yu’ll miss the train.Yu will be healthier if yu eat well. = Eat well and yu will be healthier.
3.如果主句是含有must，can，may 等情态动词时，根据需要从句多用一般现在时。(即主情从现)
Yu can _____ the exam if yu _____ (wrk) hard. 如果你努力学习，你就能通过这次考试。 Yu must _____ if the traffic light ____ (be) red.如果交通灯是红色，你必须停下来。
If yu wrk hard,yu can pass the exam.
If the traffic light is red,yu must stp.
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）.(即主现从现)
如果温度低于零摄氏度, 水就会变成冰。If the temperaturet____ belw zer, water ____ (turn) int ice. =Water ____(turn) int ice if the temperature____belw zer.
Presentatin
if可以放在句首，也可以放在句中。放在句首时，要用逗号与主句隔开。
3a:Fill in the blanks with the crrect frms f the verbs in brackets.
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.
upset adj.难过；失望；沮丧
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) the taxi, it _______(be) t expensive. Can yu give me sme advice please?Tina
advice n.劝告；建议sme advice一些建议
advice是不可数名词，“一个建议’’：a piece f advice，“两个建议”：tw pieces f advice.
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 will be late fr schl. the teacher will be angry. I will be fat.I watch TV t much. I am t shy.
3c:Write a stry with yur grup n a piece f paper. The first persn begins the stry with “I think I will...” The thers add sentences with “if”. Pass the paper arund twice. Then read the stry.
I think I will g t the mvies tnight. If I g t the mvies, I wn't finish my hmewrk. If I dn't finish my hmewrk ...
It is called “Chain Reactin(连锁反应)” r “Butterfly Effect（蝴蝶效应）”.
1. if条件状语从句的含义：
if意为“如果”，如果从句动作（不）发生，主句动作就（不）会发生。
2. if条件状语从句的时态：
Language Pints
1. Culd yu give me sme advice please?（教材P59 3c）
advice n. 劝告；建议
（1）advice 与 suggestin 两者都可表示“建议”，其区别如下：
辨析： advice与suggestin
give sb. sme advice 给某人一些建议ask sb. fr advice 征求某人的意见take/fllw sb.'s advice 听从某人的意见
If引导的条件状语从句的时态:
注意：if还可以用于宾语从句中，表示“是否”，= whether，引导宾语从句，时态需根据语境确定。
1.Jhnsn wn’t answer the phne if he________ the number.【广东】A. knew B. will knw C. desn’t knw D. didn’t knw2.If Nick ___ hme t late, he ___his favrite cartn.A. gets; misses B. gets; will missC. will get; misses D. will get; will miss3. If yu dn't g shpping, I ________， either.A. dn't B. didn't C. aren't D. wn't
4.—Celia, jin us in the Summer Camp if it _______ this weekend.—I’d lve t. But nbdy knws if it______ . A. is fine; rains B. is fine; will rainC. will be fine; will rain D. will be fine; rains 5.—Can yu guess if they______ t play with us?—I think they will cme if they ______ free.A. cme；are B. will cme；will beC. will cme；are D. cme；will be