譯林版三下（新版）Unit12語法講練測【核心語法】一、指示代詞this/that的用法知識點：1.this指代距離說話人近的人或物，that指代距離遠的（如：Thisisapen./Thatisaruler.）2.疑問句句型：What’sthis/that?→It’sa/an...Whatarethese/those?→They’re...（復數形式）3.易錯點：混淆this和that的距離區別，如誤用What’sthis?提問遠處的物品。回答復數時忘記用They’re，如錯誤回答It’spencils.練習題：1.—______isthis?—It’sarubber.(What/What’s)2.—Whatare______(this/those)?—They’redesks3.—______(What/Where)isthatoverthere?—It’sablackboard.4.連詞成句：is/that/what/?____________________________________________改錯：What’sthese?It’sachair.____________________________________________6.—______isyourschoolbag?—It’shere.(What/Where)7.—Are______(this/these)yourpens?—Yes,theyare.8.—What’s______(that/this)?—It’smypencilcase.9.翻譯：那些是椅子嗎？____________________________________________10.填空：______(This/That)ismydesk.______(That/This)isyourchair.二、形容詞性物主代詞知識點：1.my,your,his,her,its,our,their后必須接名詞（如：Thisismybook.）2.易錯點：混淆主格代詞（I,he）和物主代詞（my,his），如錯誤句子Thisishebook.遺漏物主代詞后的名詞，如Thisismy.練習題：1.Thisis______(he)ruler.2.______(She)schoolbagisblue.3.改錯：Thisisyoupen.____________________________________________4.—Isthis______(your/you)desk?—Yes,itis.5.連詞成句：your/put/in/schoolbag/things/.____________________________________________翻譯：她的椅子很干凈。____________________________________________7.Let’sclean______(we)classroom.8.—Arethese______(they)books?—Yes,theyare.9.改錯：Thisissherubber.____________________________________________10.______(Our/We)teacheriskind.三、祈使句（肯定與否定）知識點：1.肯定祈使句：以動詞原形開頭，如Closethewindow.2.否定祈使句：Don’t+動詞原形，如Don’trunhere.3.Let’s句型：Let’s+動詞原形（建議一起做某事），回答用OK!/Goodidea!4.易錯點：在Let’s后加動詞不定式（如錯誤句子Let’stoclean.）。否定祈使句中遺漏Don’t，如錯誤句子Notopenthedoor.練習題：1.______(Don’t/Not)putyourbooksonthefloor.2.連詞成句：the/clean/blackboard/please/.____________________________________________改錯：Let’stosweepthefloor.____________________________________________翻譯：請別關窗戶。____________________________________________5.—Let’smakeaplan!—______(Yes,Ican./Goodidea!)6.______(Don’t/Not)eatintheclassroom.7.連詞成句：away/put/books/your/.____________________________________________改錯：Let’snotrunningintheclassroom.____________________________________________9.—______closethedoor?—OK.(Let’s/Let)10.翻譯：讓我們保持教室干凈。____________________________________________四、情態動詞can的用法知識點：1.can+動詞原形，表示能力或請求（如：Icancleantheblackboard.）2.否定句：can’t+動詞原形（如：Shecan’tswim.）3.疑問句：Canyou...?→Yes,Ican./No,Ican’t.4.易錯點：在can后加動詞不定式（如錯誤句子Icantoread.）。疑問句中未將can提前，如錯誤句子Youcancleanthedesk?練習題：1.—______yousweepthefloor?—Yes,Ican.(Can/Do)2.改錯：Hecancleansthechair.____________________________________________翻譯：她會擦黑板嗎？____________________________________________4.連詞成句：can/I/the/window/close/.____________________________________________5.We______(can’t/can)playnow.Let’scleanfirst.6.—CanIhelpyou?—______(No,Ican’t./Yes,please.)7.改錯：Canshetoputawaythebooks?____________________________________________翻譯：我不能出去玩。____________________________________________9.______(Can/Do)theymakeaplan?10.—______canyoudo?—Icancleanthedesk.(What/Where)【考點精煉】一、單項選擇（10題）（）1.—______isthis?—It’sarubber.A.What’s B.What C.Where（）2.—Are______yourcrayons?—Yes,theyare.A.this B.these C.that（）3.Let’sclean______classroom.A.we B.our C.your（）4.Don’t______inthelibrary.A.Run B.running C.torun（）5.—Canshesweepthefloor?—______,shecan.A.Yes B.No C.Not（）6.—What’s______?—It’sanewpencilcase.A.this B.that C.those（）7.Thisis______ruler.It’sblue.A.he B.his C.they（）8.—______closethedoor!—OK.A.Let’s B.Let C.Don’t（）9.—Howmany______arethere?—Three.A.box B.boxes C.boxs（）10.—Don’teathere.—______.A.Thankyou B.I’msorry C.Yes,please二、填空題（10題）1.—Whatare______(this)?—Theyaredesks.2.Pleaseputyourbooksinthe______(schoolbag).3.—______(Don’t/Not)talkinclass.—OK.4.Thisis______(she)Englishbook.5.—Canyou______(clean)theblackboard?—Yes,Ican.6.______(Let’s/Let)openthewindow.It’shot.7.—What’sthat?—It’s______(a/an)apple.8.Don’t______(drink)mymilk!9.—Whereis______(you)chair?—It’shere.10.Theseare______(they)newpencils.三、連詞成句（5題）1.the/clean/please/blackboard/._________________________2.don’t/here/eat/._________________________3.is/this/what/?_________________________4.can/she/the/close/window/?_________________________5.your/put/in/schoolbag/things/._________________________四、閱讀理解（2篇，每篇5題）閱讀一：ClassroomRulesHello!I’mMissLi.Hereareourclassroomrules:1.Don’tshoutintheclassroom.2.Pleaseclosethewindowafterclass.3.Don’teatordrinkhere.4.Let’scleantheblackboardeveryday.5.Putyourbooksintheschoolbag.根據短文判斷正誤（T/F）：1.()Wecanshoutintheclassroom.2.()Weneedtoclosethewindowafterclass.3.()Eatingintheclassroomisallowed.4.()Weshouldcleantheblackboardeveryday.5.()Booksshouldbeonthedesk.閱讀二：Amy’sSchoolThingsAmyhasmanyschoolthings.Thisisherredpencilcase.Thatisherruler.Theseareherbooks.Thosearehercrayons.Sheputstheminherschoolbag.Shesays,“Let’skeepourclassroomclean!”根據短文選擇正確答案：1.()WhatcolourisAmy’spencilcase?A.Blue B.Red C.Yellow2.()WhereareAmy’scrayons?A.Onthedesk B.Intheschoolbag C.Underthechair3.()WhatdoesAmysayabouttheclassroom?A.Let’splay! B.Let’skeepitclean! C.Don’ttalk!4.()ArethebooksAmy’s?A.Yes B.No C.Notmentioned5.()Whatis“that”inthetext?A.Aruler B.Abook C.Acrayon答案與解析【核心語法】一、指示代詞this/that1.What’s2.those3.What4.Whatisthat?5.What’sthese?→Whatarethese?6.Where7.these8.that9.Arethosechairs?10.This,That二、物主代詞1.his2.Her3.Thisisyourpen.4.your5.Putyourthingsintheschoolbag.6.Herchairisclean.7.our8.their9.Thisisherrubber.10.Our三、祈使句1.Don’t2.Cleantheblackboard,please.3.Let’ssweepthefloor.4.Don’tclose