unless和if not均可表示如果不,有时用法相同,有时不同,请看题:You'll miss the train ____ you hurry up.A. unless B. ... [查看全文]
stop to do 停止,中断做某事后去做另一件事。stop doing 停止做某事。They stop to smoke a cigarette. 他们停下来,抽了根... [查看全文]
forget to do 忘记要去做某事。 (未做)forget doing 忘记做过某事。 (已做)The light in the office is still on. He fo... [查看全文]
remember to do 记得去做某事 (未做)remember doing 记得做过某事 (已做)Remember to go to the post office ... [查看全文]
regret to do 对要做的事遗憾。 (未做)regret doing 对做过的事遗憾、后悔。 (已做)I regret to have to do th... [查看全文]
almost与nearly的语法区别(1)两者都可用来修饰不定代词、形容词、副词、动词、介词短语等,此时两者常可换用:It's almost [nearly]... [查看全文]
go on to do 做了一件事后,接着做另一件事。go on doing 继续做原来做的事。After he had finished his maths, he went ... [查看全文]
try to do 努力,企图做某事。try doing 试验,试着做某事。You must try to be more careful.你可要多加小心。I tried g... [查看全文]
cease to do 长时间,甚至永远停做某事。cease doing 短时停止做某事,以后还会接着做。That department has ceased to exis... [查看全文]
be afraid to do 不敢,胆怯去做某事,是主观上的原因不去做,意为"怕";be afraid of doing 担心出现doing的状况、结果。 doing ... [查看全文]