一、动词不定式的被动式用法
1.不定式被动式的用法
不定式到底用主动形式还是被动形式,往往取决于句子的意思,即意思上为主动就用主动形式,意思上为被动就用被动形式:
例句1:It remains to be seen whether you are right. 你是否正确,以后见分晓。
例句2:There was a lot of rubbish to be got rid of. 有大量垃圾需要扔掉。
2.不定式完成被动式的用法
不定式的完成被动式表示发生在谓语动作之前的被动动作:
例句1:I’m pleased to have been given this opportunity. 给了我这次机会我很高兴。
例句2:It’s said to have been built in the Ming dynasty. 据说它是明朝修建的。
二、动词不定式的完成式用法
1.表示发生在谓语动作之前的动作
例句1:I’m sorry to have given you so much trouble. 对不起给了你这么多麻烦。
例句2:It’s said to have been built in the Ming dynasty. 据说它是明朝修建的。
2.表示在某个给定的时间之前已完成的动作
例句:I hope to have finished the work by now. 我希望现在以前已完成这项工作。
3.表示过去未曾实现的想法和愿望
例句1:I should like to have come earlier. 我本想早点来的。
例句2:We were to have been married last year. 我们本来打算去年结婚的。