英語(yǔ)時(shí)態(tài)語(yǔ)法（現(xiàn)在進(jìn)行時(shí)，一般過(guò)去時(shí)，過(guò)去完成時(shí)，現(xiàn)在完成時(shí)，一般將來(lái)時(shí)）一．現(xiàn)在進(jìn)行時(shí)：表示現(xiàn)在正在進(jìn)行的動(dòng)作構(gòu)成：主語(yǔ)+be動(dòng)詞+動(dòng)詞的現(xiàn)在分詞+其他成分Wearehavinglunch.Heisreadingabook.Thedogisrunningafteracat.Theboysareswimmingacrosstheriver.★變疑問(wèn)句將be動(dòng)詞移動(dòng)到句首Arewehavinglunch?Ishereadingabook?Isthedogrunningafteracat?Aretheboysswimmingacrosstheriver?★變否定句在be動(dòng)詞后面加notWearenothavinglunch.Heisnotreadingabook.Thedogisnotrunningafteracat.Theboysareswimmingacrosstheriver.★特殊疑問(wèn)句：what,which,how,where,who,etc疑問(wèn)詞+動(dòng)詞+主語(yǔ)+現(xiàn)在分詞Whatareyoudoing?Whatisshedoing?Whatisthedogdoing?沒(méi)有進(jìn)行時(shí)的動(dòng)詞（必背）表示狀態(tài)，思想，感情和感覺(jué)的動(dòng)詞不能表示正在進(jìn)行的動(dòng)作表示感覺(jué)，感官的詞：see,hear,like,love,wanthave,has當(dāng)”擁有”講時(shí)沒(méi)有進(jìn)行時(shí)二．一般過(guò)去式：表示過(guò)去發(fā)生的動(dòng)作或事件，常和表示過(guò)去的時(shí)間狀語(yǔ)連用，如yesterday,lastnight,thedaybeforeyesterday,3daysago構(gòu)成：含有be動(dòng)詞的句子，將動(dòng)詞變?yōu)檫^(guò)去式，am,is的過(guò)去式為was，are的過(guò)去式為wereIwasatthebutcher’s.Youwereastudentayearago.Theteacherwasverybeautifultenyearsago.★變疑問(wèn)句將be動(dòng)詞移動(dòng)到句首Wereyouatthebutcher’s?Wereyouastudentayearago?Wastheteacherverybeautifultenyearsago?★變否定句在be動(dòng)詞后面加notIwasnotatthebutcher’s.Youwerenotastudentayearago.Theteacherwasnotverybeautifultenyearsago.★肯定回答/否定回答Yes,Iwas./No,Iwasnot.Yes,youwere./No,youwerenot.Yes,he/shewas./No,he/shewasnot.★特殊疑問(wèn)句Whatdidyoudo?（必背）不含有be動(dòng)詞的句子，將動(dòng)詞變?yōu)檫^(guò)去式Ifinishedmyhomeworkyesterday.Theboywenttoarestaurant.TheSawyerslivedatKingStreetayearago.★變疑問(wèn)句在句首加did,動(dòng)詞變?yōu)樵虳idyoufinishyourhomeworkyesterday?Didtheboygotoarestaurant?DidtheSawyersliveatKingStreetayearago?★變否定句在主語(yǔ)和動(dòng)詞之間加didnotIdidnotfinishmyhomeworkyesterday.Theboydidnotgotoarestaurant.TheSawyersdidnotliveatKingStreetayearago.★肯定回答及否定回答Yes,Idid.No,Ididn’t.Yes,hedid.No,hedidn’t.Yes,theydid.No,theydidnot.三．過(guò)去完成時(shí)用法：在過(guò)去的時(shí)間里，兩個(gè)動(dòng)作中，發(fā)生在前的那個(gè)動(dòng)作要用過(guò)去完成時(shí)。結(jié)構(gòu)：had+過(guò)去分詞Aftershehadfinishedherhomework,shewentshopping.TheyhadsoldthecarbeforeIaskedtheprice.ThetrainhadleftbeforeIarrivedatthestation.After/before引導(dǎo)的時(shí)間狀語(yǔ)從句放在句首要在句子后面加逗號(hào)，如果放在主句后則不用加。1.變疑問(wèn)句：將助動(dòng)詞移到句首Hadshefinishedherhomework?2.變否定句：在助動(dòng)詞后面