關于until的用法及until的例句

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　　until是“個性”比較強的詞。對于同學們來說只要把它的用法搞清楚掌握了它的用法使用起來就明確了，但是同學們知道它的用法和詞性嗎，如果不知道就快來看看吧。接

　　until的用法

　　until(或till)在句子中用作介詞或連詞，其含義和since有類似之處，只是since強調的是某一段的時間的起點(“從……”)，而until表示的是一段時間的終點(“到……”)。

　　一.由until (或till)構成的介詞短語或引起的從句在句中作狀語時，如果是肯定句，句子的謂語動詞或主句中的謂語動詞一般是延續(xù)性的;在否定句或含有否定意義的句子中，句子的謂語動詞或主句中的謂語動詞，既可是非延續(xù)性的，也可以是延續(xù)性的。肯定句側重動作延續(xù)的時間，否定句說明動作開始的時間。

　　例如：

　　They thought their bodies would be well kept in these until they would come back to life.

　　He and the other doctors did not leave until the operation was over.

　　They are not going back to work until they get it.

　　He doesn’t sit down until the other person takes his seat.

　　And then they went on with their work at the empty loons until late into the night.

　　No more work was done on it until the People’s Republic of China was founded.

　　二.對含有“not … until …”結構的句子進行強調時，須用it is (was )not until…that…。

　　例如：

　　It was not until she took off her dark glasses that I realized she was a famous film star.

　　It was not until I saw Margaret the next morning, however, that I felt happy.

　　三.如果把“it is (was )… that ….”這個強調結構的框架去掉，句子就須用倒裝語序。若是一個復合句時，要倒裝主句中的主謂部分。

　　例如：

　　Not until the early years of the 19 th century ____ what heat is.

　　A. man did know B. man knew C. didn’t man know D. did man know

　　答案是 D

　　Not until I began to work _____ how much time I had wasted.

　　A. didn’t I realize B. did I realize C. I didn’t realize D. I realized

　　答案是B

　　until 與till 的區(qū)別

　　(1)在句首時多用until 。例如：

　　Until then I had known nothing about it.

　　(2)在from … till … 這一詞組里，用till比用until普通，但也可用until。例如：

　　I worked from morning till late at night.

　　There was a beautiful Mozart concert on the radio from six o′clock until a quarter past seven.

　　(3)在“good—bye till …”及“up till…”中，till不能用until 替代。例如：

　　Yes, we can help one another. Good–bye till then.

　　I’ve lived in the country all my life up till now.

　　until的相關解釋

　　prep. 到…為止;在…以前;

　　conj. 到…為止，在…以前;直到…才;

　　until的例句

　　1、Until 1982 he was senior lecturer in botany at Durham University.

　　1982年以前他一直是達勒姆大學生物系的高級講師。

　　2、The traffic laws don"t take effect until the end of the year

　　交通法要到年底才生效。

　　3、It was not until 1911 that the first of the vitamins was identified.

　　直到1911年才發(fā)現了第一種維生素。

　　4、I waited a long time until a script came along that I thought was genuinely funny

　　我等了很長時間，直到出現了一個我認為真正逗趣的劇本。

　　5、I tell you this, I will not rest until that day has come

　　我可以肯定地說，不到那天我不會休息。

　　6、I have left my best wine until last

　　我把最好的酒留到了最后。