春七年級英語下冊Unit4Donteatinclass(第2課時)SectionA(GrammarFocus3c)課堂練習(xí)人

Unit4Don'teatinclass.第2課時SectionA(GrammarFocus—3c)一、祈使句1．含義：祈使句是用來表示懇求、命令或建議等的一種句型。其主語一般為第二人稱you，但往常省略。祈使句的句末一般用句號，表示較強語氣時用嘆息號。為了使祈使句顯得更委宛、有禮貌，可在開頭或結(jié)尾加上please。2．祈使句的五種種類Do型Listentome，please.實義動詞原形＋其余祈使句請聽我說。Be型Bequiet，please.be動詞＋其余祈使句請寂靜。Let型Let'splayfootball.Let＋sb.＋動詞原形＋其余祈使句讓我們踢足球吧。Pleasestandup.Please型請起立。Please＋動詞原形＋其余祈使句Pleasedon'tstandup.請不要起立。Nosmoking!No型嚴(yán)禁抽煙！No＋v．－ing/名詞！(表示嚴(yán)禁)祈使句Nophotos!嚴(yán)禁攝影！3.祈使句的否認(rèn)形式往常是在謂語動詞前加don't。但要注意以let開頭的祈使句，其否認(rèn)形式是“Don't＋let＋賓語＋動詞原形＋其余．”或“Let＋賓語＋not＋動詞原形＋其余”。4．對祈使句的基本回答：(1)A：Tom,taketheboxtoMr.Wu'soffice.B：一定回答——Yes,Iwill.否認(rèn)回答——Sorry,Ican'tcarryit.(2)A：Don'tlistentomusicinclass.B：No,Iwon't.(用于自己以前沒做過，同時也表示自己此后也不會做時)或Sorry,Iwon'tdoitinfuture.(用于自己出錯，被他人嚴(yán)禁時)(3)A：Let'sgooutforawalk.(“Let'sdosth.”常用于提出建議)B：一定回答——That'sagoodidea.或Thatsoundsgood.(直接表示贊成)否認(rèn)回答——Oh,no.It'stoohot.或Oh,no.Let'swatchTVathome.(可用“No”作否認(rèn)回答，并適合解說或提出自己的看法)祈使句一般要對方去做的動作是在未來發(fā)生。一定回答經(jīng)常用“Yes,Iwill”；否認(rèn)回答經(jīng)常用“No,Iwon't”等。will為“將要”之意，won't為will和not的縮寫形式，為“將不；將不會”之意。二、神態(tài)動詞can與haveto1．can能；會1表示做某事的能力，其否認(rèn)式為can't。如：CanyouspeakEnglish?你會講英語嗎？(2)表示“同意；同意”。如：Youcankeepthebookforaweek.這本書你能夠借一周。2．haveto一定；不得不后來接動詞原形。haveto有第三人稱單數(shù)形式，即hasto，變疑問句和否認(rèn)句時要借用助動詞do/does。如：Wehavetogohomeafterschool.我們放學(xué)后一定回家。Ⅰ.用括號內(nèi)所給單詞的適合形式填空。1．__Don't__play__(notplay)withfire(火)．2．Don't__run__(run)intheclassroom.3．Lethim__not__play__(notplay)thecomputergames.4．Canwe__eat__(eat)here?5．Doyouhaveto__go__(go)tobedbeforetenatnight?Ⅱ.依據(jù)漢語意思達成句子，每空一詞。1．到這兒來。__Come____here__．2．別在走廊里跑。__Don't____run__inthehallways.3．快點！__Be____quick__！4．不要在這兒吃東西。__Don't____eat__here.5．讓我們騎自行車到那邊吧。__Let's____ride__thebiketogetthere.Ⅲ.按要求達成以下句子，每空一詞。1．Lilycanplaytheguitar.(改為一般疑問句并作否認(rèn)回答)—__Can__Lily__play__theguitar?—No,she__can't__．2．Jackhastoplaythepianoeveryweekend.(改為一般疑問句)__Does__Jack__have____to__playthepianoeveryweekend?3．Bequick.(改為否認(rèn)句)__Don't____be__quick.4．Youcan'teatfoodinclass.(改為祈使句)__Don't____eat__foodinclass.5．Youcan'tbelateforclassnexttime.(改為祈使句)__Don't____be__lateforclassnexttime.Ⅳ.單項選擇。(C)1.________listentomusicintheclassroom.A．NotB．No2C．Don'tD．Doesn't(A)2.Tom，please________theclassroomnow.A．cleanB．tocleanC．cleansD．cleaning(A)3.Let's________ontimeforclasses.A．beB．benotC．a(chǎn)reD．is(B)4.Shehasto________herhomeworkeverynight.A．doesB．doC．doingD．did(A)5.Sorry，you________playbasketballintheclassroom.A．can'tB．don'tC．don'thavetoD．doesn'tⅤ.選詞填空。閱讀短文，從方框中選擇適合的詞并用其正確形式填空，使短文通暢、意思完好。每詞限用一次。fightdirtydishrulebeforefollowoutsidekeeponepracticeDearSam，Herearesome__1__foryouwhenyourdadandIarenotathome.__2__，gethomeearly.Don'tplay__3__afterschool.Second，takecareof(照料)yourbrotheranddon't__4__withhim.Third,helpyourgrandmadothe__5__afterdinner.Fourth，rememberto__6__thepianoforonehoureveryevening.Fifth，gotobed__7__10o'clock.Thelastone,__8__yourroomcleananddon'tleaveyour__9__clotheseverywhere.YourdadandIwillbeveryh