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人教旧版英语五年级下册第四单元笔记问句：Whatareyoudoing?这个问句是问：你在干什么？而回答一定是：主语+be+动词ing形式例：Iamdoingthedishes.(答案不唯一)要学的单词有：drawpictures(drawingpictures)readabook(readingabook)answerthephone(answeringthephone)dothedishes(doingthedishes)cookdinner(cookingdinner)知识点1：1．一般现在时：表示经常性，习惯性发生的动作。句子中一般有often,usually,sometimes,always,ontheweekend,onSunday。（1）例：He/She/Amy/XXXisateacher./Iamateacher./Youaregoodstudents.2．Ilikewinter./Ioftendomorningexercisesat8:00./Theyoftenclimbsmountainsontheweekend./He/She/Amyclimbsmountainsontheweekend.3．否定句（1）is/am/are+not.例：He/Sheisateacher.Youaregoodstudents即等于：Youarenotgoodstudents.(2)行为动词：在动词前+donot或doesnot.例：Ilikewinter.→Idon’tlikewinter.Theyoftenflykites.→Theydon’toftenflykites.Heoftenclimbsmountains.→Hedoesn’toftenclimbsmountains.4.一般疑问句。（1）am、are、is放在句子前面。例:Youaregoodfrends→Areyougoodfrends?回答：Yes,weare./No,wearen’t.(2)行为动词一般疑问句：在句子前+Do……?/+Does……?例：Theyoftenclimbmountains.→Dotheyoftenclimbmountains?回答：Yes,theydo./No,theydon’t.Heoftenclimbsmountains.→Doesheclimbmountains?回答：Yes,hedoes./No,hedoes’t.知识点2：1．现在进行时。表示说话时动作正在发生，句中一般有now、lookoverthere等或有正在发生的语境listen,结构：Be+动词ing形式。2．动词变现在分词形式。第一种情况：直接加ing。例：eat→eatingplay→playingcook→cooking第二种情况：以不发音字母e结尾的单词，把e去掉，再加ing。例：make→makingcome→cominghave→havingwrite→writingtake→taking(注意：see是重读闭音节的单词，不能去e再加ing!)第三种情况：以辅音字母结尾的单词，要双写最后一个字母，再加ing。例：run→runningget→gettingsit→sittingput→puttingstop→stoppingbegin→beginningswim→swimming。陈述句运用：Iamplayingfootball.Youaregoingshopping.She/Heismakingacard.We/TheyareeatinglunchXXXandXXXarerunning.否定句运用：Iamnotplayingfootball.Younotgoingshopping.She/Heisnotmakingacard.We/Theyarenoteatinglunch.XXXandXXXarenotrunning.一般疑问句运用：把is/are放在句子最前面。Ishegoingshopping?Yes,heis./No,heisnot.sheshesheXXXXXXXXXAreyou/theyplayingfootball?Yes,Iam./No,Iamnot.Yes,theyare./No,theyarenot.特殊疑问句运用：Whatareyou/theydoing?–We/Theyare……-Iam……知识点3：如何判断句子中用动词原形或现在分词。1.如有表示经常性、习惯性的时间；或上下文中暗示了含有这种经常性、习惯性的时间。如：usually、always、often、sometimes、ontheWeekend、onMonday、everyday……2.情态动词can、may、must、should、will、would、Shell+动词原形3.to+动词原形（例：liketo+动词原形、wantto+动词原形）4.let+动词原形5.由do/does引导的一般疑问句+动词原形。例：DoYougotoschoolat7:00?Doesheoftenplaygames?6.祈使句（无主语）：动词原形开头（例：comeon、pleaselookatthedog.)7.句中含有look