could have done “本来可以……”(表示过去没有实现的可能)。 might have done “本来可能……;本来应该或可以做某事”(实际没有发生;含有轻微的责备语气。 should/ought to have done...
1、表示发生在谓语动作之前的动作。 如:He is said to have gone abroad last week.据说,他上个星期出去了。 (解析:“出去”这个动作发生在谓语动词“听说”之前,“出去”这一动作已经...
2.判断非谓语动作与谓语动作的先后关系。 ①和谓语动作同时发生表示进行,应用以上提到的进行式(to be doing和doing); ②发生在谓语动作之后表示将来,应用(to do和to be done); ③发生在谓语动作之前表示完成,应用(to have done、to have been done、to have been doin...
非谓语作宾语补足语这个部分很乱,很容易记混,写错。所以大家一定要认真看我下边的文章,很多东西需要背背背。 一、做宾补的非谓语的常见形式 常见形式有:to do、doing、done。一般而言,...
C. You are not satisfied with what you have. D. You are not clearly aware of what you want. 12 A. As a principle for cooking. B. As a guideline for applying for a job. C. A...
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