外研版必修4Module 2 Traffic Jam学案设计

这是一份外研版必修4Module 2 Traffic Jam学案设计，共4页。

祈使句
1．祈使句的定义
表示命令、请求、劝告、警告或禁止的句子叫祈使句。祈使句的主语一般为yu，通常省略，谓语动词使用原形，句末用感叹号或句号。
Be quiet，please.请安静。(请求)
G and wash yur hands.去洗手。(命令)
Watch yur steps.走路小心。(劝告)
Lk ut! Danger！小心！危险！(警告)
Keep ff the grass.勿践踏草坪。(禁止)
2．祈使句的形式
[即时训练1] 单句语法填空
①Always keep (keep) in mind that ur main task is t get this cmpany running smthly.
②Every day read (read) a prverb alud several times until yu have it memrized.
③Dn't make (nt make) any nise in the reading rm.
3．祈使句的反意疑问句
(1)祈使句为肯定句，其反意疑问句用will yu/ wn't yu?
Cme t have dinner with us this evening，will/wn't yu? 今晚来和我们一块儿吃饭，好吗？
(2)祈使句为否定句，其反意疑问句用will yu?
Dn't smke in the meeting rm，will yu? 不要在会议室抽烟，好吗？
(3)Let开头的祈使句构成反意疑问句时，除Let's开头的用shall we外，其他均用will yu。
Let's take a walk after supper，shall we？我们晚饭后散散步，好吗？
Let us g swimming，Mum，will yu?
妈妈，让我们去游泳，行吗？
[即时训练2] 写出下列句子的反意疑问句
①Cme here next Sunday，will/wn't yu?
②We've been wrking fr tw hurs.Let's stp and have a rest，shall we?
4．祈使句的强调形式
常在谓语动词前加上d或称呼语表示强调或加强命令。
D be careful next time!
下次一定要仔细！
Mary，cme here—everybdy else，stay where yu are.
玛丽过来，其他人都别动！
[即时训练3] 单句语法填空
①D put yur heart int yur studies befre the cming exam.
②David, dn't clse(nt clse) the windw, please!
Ⅰ.单句语法填空
1．Wrk hard，and yu will get prmted.
2．Let us take care f Grandma，will yu?
3．Dn't speak(nt speak) with muth full f fd.
4．One mre hur，and we will get(get) everything ready fr the take­ff.
5．Our English teacher is ill.Let's g and see him after schl，shall we?
6．Give(give) us ten years and just see what ur cuntry will be like.
7．Li Ming，read(read) the text—everybdy else，listen carefully and see whether his prnunciatin is crrect.
8．Dn't drink when yu drive a car，will yu?
9．Try(try) yur best and yu will make prgress sner r later.
10．Let's g (g) ut fr lunch after wrk—it's my treat.
Ⅱ.单句改错
1．Making what yu're ding tday imprtant, because yu're trading a day f yur life fr it. Making→Make
2．Let's try t find a slutin t this prblem, d we? d→shall
3．Please nt lk utside. Lk at the blackbard.
nt前加d或nt→dn't
4．When yu've finished reading that bk, dn't frget t put it back n the shelf, d yu? d→will
5．Turn right at the secnd crssing, yu will see the schl ppsite a hspital. Turn→Turning或逗号后加and
Ⅲ.完成句子
1．刚开始时，要尽可能多地收集你所需要的信息。
At the beginning, cllect as much infrmatin as pssible．
2．别人在工作时，请别高声谈话。
Please dn't talk s lud while thers are wrking.
3．多读书，你就会变得越来越聪明。
Read mre bks，and yu will becme cleverer and cleverer.
4．今天天气不错，我们一块去游泳，好吗？
It's a fine day tday. Let's g swimming tgether, shall we?
5．如果你得到这份工作，一定要全身心投入其中，最终你一定会成功的。
If yu get the jb，d devte yurself t it and finally yu'll succeed.
语 境 自 主 领 悟
先观察原句
后自主感悟
①Dn't bring yur cell phne t schl.
②Never frget each f us is the master f the earth.
③Give me a ring as sn as yu get hme.
④Write t me as sn as pssible，will yu？
⑤Let's live a lw­carbn life，shall we？
⑥Let us take care f the huse while yu are away，will yu？
⑦Yu，girls，clean the desks; yu，bys，sweep the flr.
⑧Dn't stay utside at night，will yu？
⑨D put yur heart int yur studies befre the cming exam.
1.①②句为否定祈使句，③④句为肯定祈使句。肯定祈使句以动词原形开头，否定祈使句以Dn't或Never开头。
2.由⑤⑥ 句可知，Let's引导的祈使句的反意疑问句用shall we; Let us引导的祈使句的反意疑问句用will yu。
3.由④⑥⑧句可知祈使句的反意疑问句通常用will yu。
4.⑦⑨句中，在祈使句前可加yu 或d对句子表示强调，以加强句子的语气。
肯定结构
(1)D型(行为动词原形开头)
Fllw the rules f the rad.遵守交通规则。
This way，please.＝ G this way，please.请这边走。(在意思明确的情况下可省略动词)
(2)Be型(系动词be开头)
Be sure t get here befre nine.一定要在九点以前到这里。
(3)Let型(Let's/ Let sb.＋动词原形)
Let's have a meeting this afternn.今天下午我们开个会吧。
Let me have a try if yu dn't want t.如果你不想，让我试一次吧。
否定结构
(1)D型和Be型的否定式都是在句首加Dn't或Never构成。即：Dn't / Never＋动词原形。
Dn't be late tmrrw.明天不要迟到。
Never put ff what yu shuld d till tmrrw.今日事今日毕。
(2)Let型祈使句的否定式有两种Dn't let sb./sth. d...; Let's nt d...。
Dn't let the children play in the street.别让小孩在街上玩耍。
Let's nt waste time.咱们别浪费时间了。
N＋名词或动名词
此类否定祈使句多表示禁止。
N smking！禁止吸烟！
N phts in the rm.该房间不许拍照。