高考英語一輪復(fù)習(xí) 精細(xì)化學(xué)通語法 第九講 情態(tài)動(dòng)詞與虛擬語氣課件

第九講第九講 情態(tài)動(dòng)詞與情態(tài)動(dòng)詞與 虛擬語氣虛擬語氣must do對(duì)現(xiàn)在或未來的事進(jìn)行猜測(cè)對(duì)現(xiàn)在或未來的事進(jìn)行猜測(cè)must be doing對(duì)正在進(jìn)行的事進(jìn)行猜測(cè)對(duì)正在進(jìn)行的事進(jìn)行猜測(cè)must have done對(duì)已經(jīng)發(fā)生的事進(jìn)行猜測(cè)對(duì)已經(jīng)發(fā)生的事進(jìn)行猜測(cè)must have done“(過去過去)一定做過一定做過”；語氣比較；語氣比較肯定；用于肯定句肯定；用于肯定句may (might) have done“(過去過去)可能做過可能做過”；語氣不確；語氣不確定；用于肯定句和否定句定；用于肯定句和否定句can (could) have done用于否定句和疑問句，表示懷疑或用于否定句和疑問句，表示懷疑或不確定不確定could have done過去本可以做某事但實(shí)際上沒做過去本可以做某事但實(shí)際上沒做neednt have done過去本不必做某事但實(shí)際上做了過去本不必做某事但實(shí)際上做了ought to/should have done過去本應(yīng)該做某事但實(shí)際上沒做過去本應(yīng)該做某事但實(shí)際上沒做oughtnt to/shouldnt have done過去本不應(yīng)該做某事但實(shí)際上做了過去本不應(yīng)該做某事但實(shí)際上做了might have done過去可能做某事但實(shí)際上沒做過去可能做某事但實(shí)際上沒做情況情況從句謂語動(dòng)詞從句謂語動(dòng)詞主句謂語動(dòng)詞主句謂語動(dòng)詞與現(xiàn)在與現(xiàn)在事實(shí)相反事實(shí)相反過去式過去式(be用用were)should/would/could/might動(dòng)詞原形動(dòng)詞原形與過去與過去事實(shí)相反事實(shí)相反had過去分詞過去分詞should/would/could/might have過去分詞過去分詞與將來與將來事實(shí)相反事實(shí)相反過去式過去式(be用用were)should/would/could/might動(dòng)詞原形動(dòng)詞原形should動(dòng)詞原形動(dòng)詞原形were to動(dòng)詞原形動(dòng)詞原形情況情況從句謂語動(dòng)詞從句謂語動(dòng)詞與現(xiàn)在事實(shí)相反與現(xiàn)在事實(shí)相反過去式過去式(be動(dòng)詞一般用動(dòng)詞一般用were)與過去事實(shí)相反與過去事實(shí)相反had過去分詞過去分詞與將來事實(shí)相反與將來事實(shí)相反would/could動(dòng)詞原形動(dòng)詞原形句型結(jié)構(gòu)句型結(jié)構(gòu)過去虛擬過去虛擬現(xiàn)在虛擬現(xiàn)在虛擬將來虛擬將來虛擬if only引導(dǎo)的條引導(dǎo)的條件句及感嘆句件句及感嘆句had過過去分詞去分詞過去式過去式(be動(dòng)詞動(dòng)詞一般用一般用were)would/could/should/might動(dòng)詞原形動(dòng)詞原形It is (high) time (that) .過去式或過去式或“should動(dòng)詞原形動(dòng)詞原形”專題過關(guān)訓(xùn)練