B not until = if .not.
原句可寫為：I will lend you the book if i have finished reading it.
可理解為 主將從現(xiàn).I 后接的是主句是將來(lái)時(shí)UNTIL 后是從句是現(xiàn)在時(shí).
C so she had to wait 因?yàn)榍懊娴膭?dòng)作發(fā)生在這個(gè)動(dòng)作之前,所以前一個(gè)動(dòng)作應(yīng)是過(guò)去的過(guò)去,是過(guò)去完成時(shí),排除AB ,CD的區(qū)別和上一題中的理解類似.
D ever since 1977.由此可知應(yīng)該選現(xiàn)在完成時(shí),排除AB
The CCTV has broadcast English programme .
The English programme has been broadcast on the CCTV.
上兩句都是對(duì)的,C是被動(dòng)形式但錯(cuò)了.
C suggest sb.(should) do sth
是虛擬句
C 感覺(jué)應(yīng)該是選它,首先last year,排除B D 后文中說(shuō)but I don't know whether she has finished it
說(shuō)明這個(gè)動(dòng)作或許一直在進(jìn)行,若選A 則表明動(dòng)作已完成,而且動(dòng)詞ING 形式并非一定代表過(guò)去進(jìn)行時(shí),它還可以表示過(guò)去的連續(xù)動(dòng)作.
1.I won't lend you the book until I ( ) reading it.
1.I won't lend you the book until I ( ) reading it.
A.will finish B.have finished C.shall finished D.will have finished
2.Helen ( ) her keys in the room so she had to wait until her husband ( ) home.
A.has left,come B.left,had come C.had left,came D.had left,would come
3.The CCTV( ) English programme ever since 1977.
A.broadcast B.were broadcasting
C.has been broadcast D.has broadcast
4.They sugested ( ) the truth to her.
A.not to tell B.should not tell C.not tell D.not telling
5.Lisa( ) a book about China last year,but I don't know whether she has finished it.
A.wrote B.has written C.was writing D.had written
這五句話 分別是什么時(shí)態(tài)。
A.will finish B.have finished C.shall finished D.will have finished
2.Helen ( ) her keys in the room so she had to wait until her husband ( ) home.
A.has left,come B.left,had come C.had left,came D.had left,would come
3.The CCTV( ) English programme ever since 1977.
A.broadcast B.were broadcasting
C.has been broadcast D.has broadcast
4.They sugested ( ) the truth to her.
A.not to tell B.should not tell C.not tell D.not telling
5.Lisa( ) a book about China last year,but I don't know whether she has finished it.
A.wrote B.has written C.was writing D.had written
這五句話 分別是什么時(shí)態(tài)。
英語(yǔ)人氣：389 ℃時(shí)間：2020-05-16 07:58:52
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