UNIT 2STAY AWAY FROM WINDOWS AND HEAVY FURNITURE课件.ppt

6. _____ forget to write to me when you _____ get there next Tuesday. A. Dont; will B. Please; will C. Please; / D. Dont; / 7. Please ___ do it. A. he B. he let C. let him D. him 8. ____ come in, please. A. Will B. Do C. Wont D. Did 9. _____ careful! A. Be do B. Do be C. Not D. Not do 10. _____ let anyone open the door. A. Dont B. Will C. Not D. No D C B B A Homework Write a passage about how to protect oneself in earthquake. Use the words like earthquake, warm, inside, under, window, keep, clear, calm, brave, must, can may because and so on. About 80 words. 12 Unit 2 Stay away from windows and heavy furniture. must, can, may表示“推测” 顺口溜： can 不肯， may 不问， must 肯定不否问。 can不肯，即：can?(could)?一般不用于肯定句； may不问，即：may?(might)　一般不用于疑问句；must肯定不否问，即：must一般仅用于肯定句，不用于否定句和疑问句。 1、表示有把握的推测时，肯定句用must?(一定，准是)，否定句用can’t?(不可能，一定不)。 must(can’t)?+?动词原形，表示对现在情况的推测。must(can’t)?+?be?doing,?表示对现在正在进行的情况的推测。must(can’t)?+?have?done，表示对过去情况的推测。如：  You?must?be?hungry?after?a?long?walk.?长途步行之后你一定饿了。They?must?be?waiting?for?us.?Let’s?hurry?up.?他们一定在等我们。让我们快点走吧。You?must?have?left?your?bag?in?the?theatre.?你准是把你的包丢在剧院了。 You?can’t?be?hungry,?you?have?just?had?your?dinner.你现在不可能觉得饿，你刚吃过饭。He?wears?glasses?all?the?time,?his?eyesight?can’t?be?getting?better.他一直带着眼镜，他的视力不可能在好转。  2、表示把握不大的推测即可能性时，用can和may，常译为“也许，可能”。may用于肯定句与否定句，一般不用于疑问句。can常用于疑问句，一般不用于肯定句。如：The?news?may?or?may?not?be?true.?这消息也许是真的，也许不是真的。At?the?moment?she?may?be?playing?with?her?classmates.?此刻她可能正在和同学们玩。Anna?might?not?have?seen?Tom?yesterday.?安哪昨天可能没有看见汤姆。Where?can?Wei?Fang?be??魏芳会在哪里呢？What?can?they?be?quarrelling?about??他们可能在争吵些什么呢？Can?she?have?lost?the?book??她可能已把那本书丢了？? Fill in the blanks using must / can / might. 1.?–Could I borrow your dictionary? ?–Yes, of course you________.2. She doesn’t answer the bell. She______ be asleep.3. The ground is wet. It ______have rained last night.4. He