原因状语从句:常由because, as, since和for引导。例如:Nonetheless, I am still in favor of space travel, for it has brought us many benefits. 时间状语从句:常由when和while引导。...
If you have any problem, you can contact me.(主情从现) 3. not…until用法总结: A. sb didn't do sth until sb did sth. I didn't go home until I finished my homework yesterday...
仅限于某些表示“来、去、动 、停、开始、结束、继续”等的动词,可以与表示未来时间的状语搭配使用 。 常见的用法是:飞机、火车、轮船、汽车等定期定点运行的交通方式。 例:The next train leaves at 3 o clock this afternoon. 下一趟火车今天下午3点开车。 ⑤在时间...
until的用法例句 1、Until 1982 he was senior lecturer in botany at Durham University.1982年以前他一直是达勒姆大学生物系的高级讲师。 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 ...
until的用法 until用于肯定句中时,句子的谓语动词必须是延续性动词。 eg: My teacher works in the office until 6 o’clock in the afternoon. 我的老师在办公室一直工作到下午6点。 在…not… until…句型中,主句的谓语动词要用终止性动词,如start,leave,arrive, fi...
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