人教新目标 (Go for it) 版八年级下册Section A课前预习课件ppt

这是一份人教新目标 (Go for it) 版八年级下册Section A课前预习课件ppt，共17页。PPT课件主要包含了if从句，主句之前，主句之后，rains，Sample 等内容，欢迎下载使用。
If yu are ging t hld a party, hw will yu prepare fr it?
Listen t the cnversatin and answer the questin.
What are Jeff and Ben talking abut?
They are talking abut fd and games fr the party next week.
Read the cnversatin and answer the questins.
1. What will happen if they ask peple t bring fd? 2. What will happen if they give peple sme small gifts if they win?
Mre peple will want t play the games.
They’ll just bring ptat chips and chclate because they’ll be t lazy t ck.
if 引导的条件状语从句
情态动词shuld提出建议，应该。
Fill in the blanks.
Ben and Jeff are planning fr the party next week. They wn’t ask peple t bring fd. If they ask peple ________ (bring) fd, they ________ (bring) ptat chips and chclate because they ________ t lazy t ck. S they will ________ (rder) fd frm a restaurant. Fr the games, Jeff thinks that they shuld give peple sme small gifts ________ they win. If they d that, ________ (many) peple ________ (want) t play the games and the games will be mre ________ (excite).
will bring
这些句子都含有if引导的条件状语从句, 意为: “如果……那么……”表示对事情的结果进行预测。
if引导的条件状语从句表达某种假设：从句如果用____________，主句的谓语动词多用___________。
这个句子可以改写为：Yu will be late if yu take the bus t the party.
If yu take the bus t the party, yu will be late.
位置: if引导的条件状语从句, 可放在________， 也可放在________。
if引导的条件状语从句
当从句在主句之前时, 用逗号与主句隔开。
If yu take the bus t the party, yu will be late.
表示某种假设的情况(可能存在)
表示该情况导致的结果（很可能发生）
如果你乘公交去参加聚会，那么你会迟到的。
1. 如果主句含有must /can/may 等情态动词，从句一般用一般现在时。
Yu must stp if the traffic light ____ (be) red.
2. 如果主句是祈使句， 从句一般也用一般现在时。
Please stay at hme if it _____ (rain) tmrrw.
Fill in the blanks with the crrect frms f the verbs in brackets.
在完成此类补全短文练习之前, 先通读全文,了解文章大意，文章中已有的片段性信息有助于我们了解所涉及话题的较完整语境，这比看一句话填一个词要有效得多。
give sb. sme advice　给某人一些建议
I dn't knw what t d abut ging t Mike's birthday party tmrrw night. 关于明天晚上去迈克的生日聚会这件事,我不知道该做什么。I'm nt sure hw t g t the party. 我不确信如何去参加聚会。
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 _________________________.
Cmplete the sentences using yur wn ideas.
my teacher will be angry
I will miss the schl bus
I wn’t be strng
games all the day
I play cmputer
I always make them upset
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 win lttery tickets tnight. • If I win lttery tickets tnight , I will be rich.• If I am rich, I will ...
1. It’s cld utside. Jenny asked me ______ the windw. A. clse B. t clse C. clsing D. clsed2. — I can’t finish the wrk tday. What ______ I d?— Yu can ask Mr. Liu fr help.A. shuldB. mayC. mustn’t D. needn’t3. I can’t decide which cmputer t buy. Culd yu give me sme ____? A.examples B. advice C. reasns D. service4. If I g t the mvies, I______ my hmewrk n time. A. didn’t finish B. dn’t finish C. wn’t finishD. finish