He asked to see the boss. 他要求见老板。 不定式作什么成分?
老师你好!go home,go back home,come back home 区别如:he ususlly plays basketball in the playground.And he goes back home by bus.
She can play the piano just as wonderfully as you do.Bob can run as fast as I do.None of us can run as fast as he can.句子最后一个词是can 还是do? 还是都可以?谢谢老师!
在多个地方见到过,convenient 后接不定式 to do sth 时,它的主语不可以是人或物,而只能是形式主语 it。但看到这样一个句子:It is simple and convenient to use. 它很简单,用起来很方便。但从翻译来看,这个 it 好像不是形式主语啊!
如果可以说leave sb to do sth,那它与leave sb doing sth有区别?