小学英语语法复习要点(十四)祈使句 3页

　祈使句用法及习题Hello,boysandgirls!"英语祈使句王国"的职责是用来表示请求、命令、建议、禁止等。这个王国的特点是通常没有主语，多以动词原形开始。下面，看看王国中"六兄弟"的表演吧！　　I.大哥V　　[档案]V(代表行为动词原形)+宾语+其它成分　　[表演]①Closethewindow.关上窗户。　　②Helpyourselftosomefish.随便吃点鱼吧。　　II.二哥B　　[档案]Be+表语(名词/形容词等)+其它成分　　[表演]①Beagoodstudent!做个好学生！　　②Bequiet!安静！　　III.三哥L　　[档案]Let+宾语(通常为第一或第三人称宾格)+动词原形+其它成分　　[表演]①Let"sgohome!咱们回家吧！　　②Letherin.让她进来。　　IV.四哥D　　[档案]Don"t+动词原形+其它成分　　[表演]①Don"tbelate.不要迟到。　　②Don"treadinthesun.别在阳光下看书。　　V.五哥P　　[档案]Please+动词短语(please也可放在句尾，其前加逗号)　　[表演]Pleasesitdown.=Sitdown,please.请坐。　　VI.六弟N　　[档案]No+名词或动名词(是日常生活中常见的警示语)3 　　[表演]①Nophotos!禁止拍照！　　②Nosmoking！禁止吸烟!　　"六兄弟"为了和小朋友们交个朋友，把英语祈使句王国的"秘笈"也一并奉献给大家：　　祈使句，无主语，只用谓语就可以。　　表示请求或命令，加上please表客气。　　Standup,please！请起立！　　Comehere.来这里。　　如果变成否定句，Don"t开头是规律。Nofishing！是警示语，祈使句用法要牢记。 一、将以下祈使句改为否定式：1.Comehereearly.2.Askhim.3.Pleasewaitforher.4.Readthebookcarefully.5.Situnderthetree,please.6.Let’sgotheretogether.二、选择最佳答案填空：1.Ifyouaretired,______arest.A.have                            B.havingC.tohave                        D.had2.______mego.Itisveryimportantforme.A.Dolet                          B.letdoC.Doinglet                      D.Todolet3.Heisnothonest.______believehim.A.Not                              B.Don’tC.Tonot                          D.Notto4.Ifyouwanttostay,letmeknow,______?A.willyou                        B.shallweC.doyou                          D.dowe5.Nevercomelateagain,______?A.willyou                        B.3 won’tC.doyou                          D.doeshe6._____upearlytomorrow,oryoucan’tcatchthetrain.A.Getting                         B.GetC.Toget                          D.Got7._____inthestreet.It’sdangerous.A.Notplay                       B.NottoplayC.Don’tplay                    D.Don’ttoplay8.Please______mesomemoney,willyou?A.lend                              B.lendingC.tolend                          D.belend9.Thefilmisabouttobegin.Please______seated.A.be                                B.areC.is                                 D.being10._____theboxes.Youmayusethemlater.A.Keep                            B.KeepingC.Tokeep                        D.Kept【参考答案】一、1.Don’tcomehereearly.2.Don’taskhim.3.Pleasedon’twaitforher.4.Don’treadthebookcarefully.5.Don’tsitunderthetree,please.6.Don’tlet’sgotheretogether./Let’sdon’tgotheretogether.(fromwww.zkenglish.com)二、1.—5.AABAA6.—10.BCAAA3