在大学中,单独考察的题型几乎是没有的,但是语法知识点却贯穿整张试卷,下面小编为大家整理了2019年12月大学
英语六级语法大全:不定式的时态语态,希望可以为大家带来帮助,一起来学习一下吧。
时态语态 主动被动 一般式 to doto be done 进行式 to be doing 完成式 to have done to have been done 完成进行式 to have been doing
1) 现在时:一般现在时表示的动词,有时与谓语动词表示的动作同时发生,有时发生在谓语动词的动作之后。 He seems to know this. I hope to see you again. = I hope that I'll see you again.我希望再见到你。

2) 完成时:表示的动作发生在谓语动词表示的动作之前。 I'm sorry to have given you so much trouble. He seems to have caught a cold.
3) 进行时: 表示动作正在进行,与谓语动词表示的动作同时发生。 He seems to be eating something.
4) 完成进行时: She is known to have been wreaking on the problem for many years.