八年级英语现在进行时基本用法⑴表示说话时正在进行的动作，常与now,atthemoment等时间状语连用，有时，句首有look,listen等词提示。例如：Whatareyoudoingnow?—Iamcleaningthewindow.Look!ThestudentsarehavinganEnglishlesson.⑵表示现阶段正在进行的动作，常与now,thesedays等时间状语连用。例如：HeisnowlivinginAustralia.目前他正住在澳大利亚。（暂时）。比较：HelivesinAustralia.他定居在澳大利亚。Iamworkinginacomputercompanyrightnow.Howareyougettingalongthesedays?这些天来你好吗？⑶有时，现在进行时可以表示按计划安排将要发生的动作，特别是使用表示位置转移的动词时，如go,come,leave,start,arrive等。例如：WearegoingtoRomenextweek.下周我们准备去罗马。Whenareyoustarting?你什么时候动身？其动词结构为：be+doing（动词的现在分词）动词的现在分词的构成：1一般情况动词后加ing,以不发音的e结尾的去e加ing。write-play-eat-see-2以重读闭音节结尾的词，双写最后的辅音字母再加ing这样的词往往看最后三个字母，常常是“辅音＋元音＋辅音”open就不行,它的重音不在pen上sit-get-begin-stop-shop-swim-run-句子肯定结构：主语＋am/is/are＋doing（动词的现在分词）HeiswatchingTV.否定形式：主语＋am/is/are+not+doing.HeisnotwatchingTV.一般疑问句：Be（am/is/are）＋主语＋doing（动词的现在分词）?IshewatchingTV?Aretheysingingnow?特殊疑问句：疑问词＋一般疑问结构？Whatishedoing?现在进行时专项练习一.用括号中动词的适当形式填空：1.Myparents_______(watch)TVnow.2.Look.Threeboys_______(run).3.What_______yourmother_______(do)now?4._______yourdog_______now?(sleep)5._______you_______(listen)tomusic?Yes,Iam.6.Look,MissChen_______football.(play)7.Tomandhissister_______(wait)foryouoverthere.8.NowClass3andClass4_______(have)atest.9.Listen,someone_______(sing)intheclassroom.10.——WhereisZhangYan?——She_______(talk)withherteacherintheteacher’soffice.(1arewatching2arerunning3isdoing4Issleeping5Arelistening6isplaying7arewaiting8arehaving9issinging10istalking)二.选择填空：()1.Who______overtherenow?A.singingB.aresingC.issinging()2.It’snineten.Thestudents______amusicclass.A.haveB.havingC.arehaving()3.Listen!Theboy_______.A.cryingB.iscryingC.cries()4.Don’ttalkhere.Grandparents______.A.sleepB.issleepingC.aresleeping()5.Istheman_______teaormilk?A.drinksB.drinkC.drinking(CCBCC)三.按要求进行句型转换：1.Lilyisdancing.(改为一般疑问句)________________________________________________2.Kateislookingforherwatch.(改为否定句)________________________________________________3.Mrs.WhiteiswatchingTV.(对划线部分提问)________________________________________________4.Iamdoinghomework.(改为否定句)________________________________________________5.Theyarewaitingforyouatthelibrary.(提问)___________________(1IsLilydancing?2Kateisn’tlookingforherwatch.3WhatisMrs.Whitedoing?4Iamnotdoinghomework.5Wherearetheywaitingforyou?)四.根据中文提示完成句子：1他没在写作业，她在画画。He___________homework.He_________pictures.2.今天李老师穿着一件红色的连衣裙。MissLi____________areddresstoday.3.你爷爷在看报纸吗？______yourgrandpa______thenewspaper?4.Tom和Jim在做什么？____________TomandJim______?5.他们是在打篮球还是在打排球？______they______basketball______volleyball?(1isn’tdoing,isdrawing2iswearing3Isreading4Whataredoing5Areplayingor)一般现在时一般现在时表示现在的状态Heistwelve.Theyareathome.表示经常性或习惯性的动作Igotoschoolatseveneveryday.HeplayssocceronSundays.表示主语具备的性格和能力等Shelikesapples.TheyspeakJapanese.Sheismediumbuild.其句子结构为1主语＋be＋其他2主语＋动词原形＋---3(当主语是第三...
