人教版八年级下册英语 Unit 3 Could you please clean your room 单元语法及练习（含答案）

Unit3CouldYouPleaseCleanYourRoom?单元语法一、语法知识聚焦（一）情态动词could的用法1.礼貌请求：结构：Could+主语+动词原形+其他？例句：Couldyoupleasepassmethesalt?（你能把盐递给我吗？）CouldIborrowyourdictionary?（我可以借你的词典吗？）回答：肯定：Yes,ofcourse./Sure,hereyouare.否定：Sorry,I’musingitnow.2.过去的能力：例句：WhenIwassix,Icouldn’tswim,butnowIcan.（我六岁时不会游泳，但现在会了。）3.委婉建议：结构：Youcould+动词原形+其他。例句：Youcouldaskyourteacherforhelp.（你可以向老师求助。）（二）祈使句的结构与使用1.肯定祈使句：动词原形开头，省略主语。例句：Cleanyourroomnow.（现在打扫你的房间。）2.否定祈使句：Don’t+动词原形+其他。例句：Don’tleavethelightson.（别让灯开着。）3.带客套语的请求：结构：Please+动词原形/动词原形+please。例句：Pleasetakeoutthetrash./Closethedoor,please.（三）现在进行时表示当前活动1.结构：am/is/are+动词现在分词（-ing）。例句：I’mwashingthedishesrightnow.（我正在洗碗。）Sheissweepingthefloor.（她正在扫地。）2.与家务活动结合：常用短语：dothelaundry（洗衣服）,foldclothes（叠衣服）,mopthefloor（拖地）。（四）动词短语与家务表达1.常见家务动词短语：takeoutthetrash（倒垃圾）makethebed（整理床铺）watertheplants（给植物浇水）cookdinner（做晚饭）2.请求帮助的句型：Couldyouhelpme+动词原形？例句：Couldyouhelpmecarrytheseboxes?（你能帮我搬这些箱子吗？）二、学以致用（一）动词填空1.—______youplease______(clean)thewindows?—Sure,I’lldoitlater.2.______(notforget)toturnofftheTVbeforeleaving.3.Mymomasked,“______I______(use)yourlaptopforaminute?”4.—______you______(cook)dinneryesterday?—No,I______(order)pizzainstead.5.______(be)quiet!Thebabyissleeping.（二）句型转换1.“Couldyoupassmethebook?”sheasked.（改为间接引语）→Sheasked______passherthebook.2.Don’tleaveyourshoeshere.（改为肯定句）→______yourshoeshere.3.Heiswashingthecarnow.（对划线部分提问）→______ishe______now?4.Youshouldfinishyourhomeworkfirst.（用could改写为建议句）→You______finishyourhomeworkfirst.（三）语法填空Lastweekend,myfamily1.______(decide)tohaveabigcleaningday.Mydad2.______(say),“Couldeveryone3.______(help)withthechores?”First,I4.______(sweep)thefloor,andmysister5.______(mop)it.Mymom6.______(cook)lunchwhile7.______(sing)herfavoritesong.Suddenly,thephone8.______(ring).It9.______(be)myaunt.Sheasked,“CouldI10.______(join)you?”Wealllaughedandsaidyes!（四）阅读理解ABusySaturdayMorningItwas8a.m.onSaturday.Lisa’smomshouted,“Couldeveryonecomedownstairs?Weneedtocleanthehouse!”Lisagroanedbutslowlygotup.HerbrotherJakewasalreadyinthekitchen,makingpancakes.“Couldyoustopcookingandhelpmevacuum?”Lisaasked.Jakereplied,“Sure,butletmefinishthesefirst.”Meanwhile,theirdadwasfixingabrokenchairinthegarage.Bynoon,thehousesparkled,andtheyallsatdowntoenjoyJake’spancakes.1.WhattimedidLisa’smomcalleveryone?A.7a.m.B.8a.m.C.9a.m.2.WhatwasJakedoingwhenLisaaskedforhelp?A.Vacuuming.B.Makingpancakes.C.Fixingachair.3.WherewasLisa’sdadworking?A.Inthekitchen.B.Inthegarage.C.Inthelivingroom.4.Howdidthehouselookbynoon?A.Dirty.B.Sparkling.C.Half-clean.5.Whatdidtheyeataftercleaning?A.Pizza.B.Pancakes.C.Sandwiches.（五）翻译句子1.你能帮我倒垃圾吗？→______2.请不要在房间里大声说话。→______3.我妈妈正在整理床铺。→______答案（一）动词填空1.Could;clean2.Don’tforget3.Could;use4.Did;cook;ordered5.Be（二）句型转换1.ifIcould2.Leave3.What;doing4.could（三）语法填空1.decided2.said3.help4.swept5.mopped6.wascooking7.singing