新概念英語第一冊(cè)語法總結(jié)

新概念英語第一冊(cè)語法總結(jié)2新概念英語第一冊(cè)學(xué)習(xí)資料免費(fèi)下載：vickey新概念英語新概念英語第一冊(cè)視頻免費(fèi)下載：vickey新概念英語視頻2.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＋be動(dòng)詞＋動(dòng)詞的現(xiàn)在分詞＋其它成分（現(xiàn)在分詞的構(gòu)成見附錄）Wearehavinglunch.Heisreadingabook.Thedogisrunningafteracat.Theboysareswimmingacrosstheriver.★變疑問句將be動(dòng)詞移到句首Arewehavinglunch?Ishereadingabook?Isthedogrunningafteracat?Aretheboysswimmingacrosstheriver?★變否定句在be動(dòng)詞后面加notWearenothavinglunch.Heisnotreadingabook.Thedogisnotrunningafteracat.Theboysareswimmingacrosstheriver.★特殊疑問句：what,which,how,where,who,etc.疑問詞＋動(dòng)詞＋主語＋現(xiàn)在分詞Whatareyoudoing?Whatisshedoing?Whatisthedogdoing?(必背)沒有進(jìn)行時(shí)的動(dòng)詞表示狀態(tài)，思想，感情和感覺的動(dòng)詞不能表示正在進(jìn)行的動(dòng)作1.表示感覺，感官的詞see,hear,like,love,want,2.have,has當(dāng)”擁有”講時(shí)沒有進(jìn)行時(shí)3.一般過去時(shí)表示過去發(fā)生的動(dòng)作或事件，常和表示過去的時(shí)間狀語連用，如yesterday,lastnight,thedaybeforeyesterday,3daysago,含有be動(dòng)詞的句子，將動(dòng)詞變?yōu)檫^去式，am,is的過去式為was，are的過去式為wereIwasatthebutcher’s.Youwereastudentayearago.Theteacherwasverybeautifultenyearsago.★變疑問句將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,youweren