7.14不定式的时态和语态-动词不定式
7.14不定式的时态和语态
1）通俗式默示的动词，偶尔与谓语动词默示的举措同时发作，偶尔发作在谓语动词的举措之后，例如
He seems to know this.他好像晓得这事。
I hope to see you again. = I hope that I'll
see you again.我希看再会到你。
2）完成式默示的举措发作在谓语动词默示的举措之前。例如：
I'm sorry to have given you so much trouble.很负疚，给你添了那么多的费事。
He seems to have caught a cold.他好像已经得了感冒。
3）举行式默示举措正在举行，与谓语动词默示的举措同时发作。例如：
He seems to be eating something.他好像正在吃什么东西。
4）完成举行式默示举措从过往开始并一连至说话的时候。例如：
She is known to have been working on the problem for many years.我们晓得她钻研这题目有好几年了。

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