Unit2（知識清單）-英語三年級下冊單元速記巧練（譯林版三起）

Unit2Cleanourclassroom知識歸納知識歸納語音字母k在單詞中可發(fā)/k/音:cakecookbookdeskmakelike字母g在單詞中可發(fā)/g/音:guessbaggoegg必記單詞四會our我們的 classroom教室,課堂 close關(guān),關(guān)閉window窗,窗戶 blackboard黑板 chair椅子sweep打掃,清掃 floor地板,地面 let讓us我們 desk課桌,書桌 dirty骯臟的clean潔凈的,干凈 keep(使)保持,處于?？级陶Zputawaythebooks放好書本 closethewindow關(guān)窗戶 cleantheblackboard擦黑板cleanthechair擦椅子 sweepthefloor掃地 bigandnew又大又新keepitclean保持它干凈整潔 cleanthedesk擦桌子 closethedoor關(guān)門adirtydesk一個臟的桌子 cleanourclassroom打掃我們的教室cleanyourdeskandchair清潔你的桌椅 lookoutside看外面goouttoplay出去玩 makeacleaningplan制定一個清潔計劃Allright.好的必會句型1.Ourclassroomisbigandnew.我們的教室又大又新。2.Let'skeepitcleanforyouandme.讓我們?yōu)榱四阄襾肀３炙母蓛艉驼麧崱?.Let'scleanourclassroom.讓我們來打掃教室。4.Sweepthefloor,please.請掃地。5.Pleasecleanyourdeskandchair.請清潔你的桌椅。6.Look!Thatdeskisdirty!看！那張桌子很臟！7.Let'scleanourdesksandgoouttoplay.讓我們擦擦桌子然后出去玩。8.Putawayyourbooksandoffwego!放好你們的書然后我們走！9.—Icancleantheblackboard.我會擦黑板?！狹etoo!我也是!10.Let'ssweepthefloor.讓我們來掃地。11.Ourclassroomiscleannow.我們的教室現(xiàn)在很干凈。核心語法1.祈使句2.“Let’s......”句型的考點3.情態(tài)動詞can的用法考點速記考點速記[考點1]祈使句Sam,sweepthefloor,please.Sam,sweepthefloor,please.山姆，請打掃地板。Pleasecleanyourdeskandchair,Max.請清潔你的桌子和椅子，麥克斯。解析：表示請求、命令或勸告的句子叫祈使句。它通常省略主語(you)，根據(jù)語氣的強弱，句末使用感嘆號(!)或句號(.)，朗讀時常用降調(diào)。例如:Goandwashyourhands.去洗你的手。（表示命令）Bequiet,please.=Pleasebequiet.請安靜。（表示請求）Bekindtoanimals.對動物友善。（表示勸告）Keepoffthegrass.勿踐踏草坪。（表示禁止）(1)為了使語氣委婉，使用祈使句時可加上please,please可位于祈使句的句首(其后通常不用逗號)或句末(其前通常用逗號)。★★★?易錯點提醒：有的祈使句在意思明確的情況下，還可以省略動詞。如：Thisway,please.=Gothisway,please.(2)祈使句的回答可用：“Allright./OK./Yes.等”★★★如：—Closethedoor,please.請關(guān)上門。—Yes,Mum.好的，媽媽。(3)祈使句的否定句：一般在動詞原形前面加Don’t★★★如：Don’tlistentotheparrot,Sam!不要聽鸚鵡的，薩姆！(4)常見的祈使句類型：Be型祈使句：Be+(表語)(+其他).如：Becareful.小心。Do型祈使句：實義動詞原形+其他.如：Comein,please.請進。Let型祈使句：Let+賓語+動詞原形(+其他).如：Letmehavealook.讓我看一看。提分練一、單項選擇。()1.Lucy,________openthedoor.A.not B.please C.no()2.It’scold.________thewindow,please.A.Don’topen B.Open C.Don’tclose()3.Don’t________intheclassroom.A.run B.running C.torun()4.Comeand________myfamily.A.look B.meet C.have()5.Let’s________andsee.A.togo B.go C.going提分練二、按要求完成句子。1.Putawaythebooks,SuHai.(改成否定句)________________awaythebooks,SuHai.2.Closethedoor,WangBing.(改成否定句)________________thedoor,WangBing.3.the,floor,sweep,please(,.)(連詞成句)________________________________________________4.clean,let's,classroom,our(.)(連詞成句)________________________________________________5.put,books,these,your,in,schoolbag(.)(連詞成句)________________________________________________[考點2]“Let’s......”句型的考點LetLet’scleanourclassroom.讓我們打掃教室。Let’sputawaythebooks,YangLing.讓我們把書收起來吧，楊玲。解析：“Let’s......”是建議對方一起做某事的祈使句句型，意為“讓我們......吧”let是動詞原形，后面接人稱代詞的賓格形式（me/you/him/her/us/them/it）★★★L(fēng)et’s相當(dāng)于Letus，后面接動詞原形，其完整結(jié)構(gòu)為“Letsb.dosth.”★★★其答句為“OK./Allright./Great./Goodidea.”等?！铩铩锢纾骸狪t’stimeforPE.Let’splayfootball.—Allright.好的?！狶et’smakeafruitsalad.—Goodidea.好主意。提分練一、用所給單詞的適當(dāng)形式填空。1.Let________(I)takealook.2.Let's________(sweep)thefloor.3.Let________(we)________(clean)ourclassroom.提分練二、單項選擇。()1.—Let’scleantheclassroom.—________.A.Hownice! B.Goodidea! C.Welldone.()2.Let________putawaymybooks.A.me B.I C.my()3.—Let’s________theclassroomcleanforyouandme.—Allright.A.tokeep B.keep C.sweep()4.—Let’s________acleaningplan.—Goodidea!A.clean B.make C.keep提分練三、根據(jù)所設(shè)情景，選擇正確答案。()1.你建議同學(xué)和你一起坐飛機模型，他可以回答：A.Goodidea. B.Thankyou. C.It’snice.()2.放學(xué)了，好朋友邀請你一起回家，他會說：A.Doyougohomewithyourfriend?B.Thankyou. C.Let’sgohome.()3.你建議同學(xué)和你一起去圖書館，可以說：A.Don’tgotothelibrary. B.Let’sgotothelibrary. C.Let’sgotothepark.[考點3]情態(tài)動詞can的用法——Icancleantheblackboard.我可以擦黑板?！狹etoo.我也是。can是情態(tài)動詞，意為“能，會”，表示有能力或者會做某件事情，后面接動詞的原形，不隨主語人稱或數(shù)的變化而變化。(1)肯定句結(jié)構(gòu)：主語+can+動詞原形(+其他).如:Shecanreadbooks.她會看書。Hecanplayfootball.他會踢足球。(2)否定句結(jié)構(gòu):主語+can't(cannot)+動詞原形(+其他).如：Shecan'ttakepictures.她不會拍照。Ican'tsing.我不會唱歌。(3)在一般疑問句中，can的位置要放在句首肯定回答：Yes,主語+can.否定回答：No,主語+can’t.例如：—Canyoumakeaposter?你能做一張海報嗎?—Yes,Ican.或No,Ican’t.(3)特殊疑問句以及回答：—What+can+主語+動詞原形(+其他)?—主語+can+動詞原形+其他.例如：—Whatcanthechildrendofortheirfamily?孩子們能為他們的家人做什么?—Theycansinganddancefortheirfamily.他們能為他們的家人們唱歌跳舞。提分練一、看圖并根據(jù)上下文填空。(每空一詞)1.—________canyoudo? —Ican________apicture.2.—________you________asong? —Yes,Ican.3.—Ican________________you,Grandma. —Great!4.Wecanreada________inthelibrary.Butwe________shout(大喊).提分練二、單項選擇。()1.Ican________pictures.A.take B.takes C.taking()2.—Icandraw.—________A.Icandrawtoo. B.Thankyou! C.Ican'tsing.()3.—Whatcanyoudoforyourfamily?—________A.Iwantatoy. B.Icansing. C.Icansinging.()4.You________write(寫).A.are B.is C.can't提分練三、按要求完成句子。1.Mydogcanrun.Mydogcanjump.(合并為一句)Mydogcan________and________.2.Theycancleanthedesksandchairs.(改為一般疑問句)________they________thedesksandchairs?3.Icancleantheblackboard.(改為否定句)I________theblackboard.參考答案[考點1]祈使句一、1.B2.A3.A4.B5.B二、1.Don’tput2.Don’tclose3.Pleasesweepthefloor.