祈使句

祈使句GuessinggameTurnleft.快速说出相应句子。GuessinggameTurnright.GuessinggameBequiet.GuessinggameKeepoffthegrass.Nosmoking!GuessinggameDon'tsmoke!GuessinggameDon'teatordrink!Noeatingordrinking!Nopicking!GuessinggameDon'tpick!•Turnleft.•Turnright.•Bequiet.•Keepoffthegrass.•Don'tsmoke!•Don'teatordrink!•Don'tpick!Positive肯定Negative否定Readandobserve(观察)祈使句Imperativesentence•表达意愿、命令、请求、警告、禁止等的句子。•主语常为第二人称，通常省略。•谓语动词一律用原形。•句末用感叹号或句号。祈使句Imperativesentence•Goandwashyourhands.(去洗你的手。——命令)•Bequiet,please.(Pleasebequiet.)(请保持安静。——请求)•Bekindtoothers.(对他人要和善。——劝告)•Wetfloor!(小心地滑！——警告)•Noparking!(禁止停车！——禁止)祈使句——肯定形式1.Do型:动词原形+宾语+其他成分(please可放在句首、句尾)Pleaseclosethewindow.Closethewindow,please.2.Be型:Be+表语(名词或形容词)+其他成分Beagoodstudent!Bequick!3.Let型：Let+宾语+动词原形+其他成分Letmehelpyou.Lethimgo.祈使句——否定形式1.Do型/Be型:在句首加Don'tDon'ttalkinclass.Don'tbelate.2.Let型:在句首加Don'tDon'tlethimgo.Let+宾语+not+...Lethimnotgo.3.No+名词/动名词Nophotos!Noparking!1.我们一起去上学吧！2.请回答这个问题。3.不要把书放在这儿。4.不要让猫进来。5.禁止游泳！Exercise1将下列句子翻译成英语。Let'sgotoschooltogether!Pleaseanswerthisquestion.Don'tputthebookhere.Don'tletthecatcomein./Letthecatnotcomein.Noswimming!1.Youshouldstayathometoday.2.Youshouldn'tshoutinclass.3.Willyoureaditagain?4.You'relateforschool.5.Jackcanreadthenewwordsforus.Exercise2将下列句子改为祈使句。Stayathometoday!Don'tshoutinclass!Pleasereaditagain.Jack,readthenewwordsforus.Don'tbelateforschool.Summary祈使句无主语，主语you常省去；动词原形谓语当，变否定don't加。朗读应当用降调，句末常标(。！)。Thanks!