英语六级语法精要情态动词_大学英语单词

　　will, would

　　shall, should表示意愿

　　情态动词后接进行式, 完成式和完成进行式:

　　情态动词可以和动词的进行式构成谓语, 表示应该正在, 想必正在这类意思:

　　Why should we be sitting here doing nothing?

　　This isnt what I ought to be doing.

　　She might still be thinking about the question you raised.

　　They must be waiting for us, lets hurry up.

　　They cant be using the room now.

　　情态动词有时和动词的完成形式构成谓语, 表示应当已经, 想必已经这类意思:

　　I should have thought of that.

　　They shouldnt have left so soon.

　　She must have arrived by now.

　　You neednt have told them that.

　　Where can he have gone?

　　He cant have finished the work so soon.

　　He may not have achieved all his aims. But his effort is praise-worthy.

　　We ought to have give you more help.

　　情态动词间或也可以和一个动词的完成进行式构成谓语,表示应当一直在, 想必一直在这类意思:

　　They are sweating all over. They must have been working in the fields.

　　They may have been discussing the problem this morning.

【英语六级语法精要情态动词】相关文章：

123 显示全文

上一篇：英语六级高频词汇积累(1) 下一篇：大学英语六级考试高频词汇表(6)

大学英语单词 最新: 各种动物的孩子们用英文怎么称呼呢？
2019-11-23; 与颜色相关的英语短语和习惯用法[1]
2019-11-23; 如何用英语高大上的聊体操
2019-11-23; 奥运赛事分类词汇-游泳[1]-游泳
2019-11-23; 2017年12月英语六级必备词汇：医学类
2019-11-14; 2017年12月英语四级必备词汇：态度类
2019-11-14

网友关注: 雅思考试(IELTS)词汇每日累积各种纸的表达; 雅思考试(IELTS)词汇每日记忆睡眠问题词汇; 雅思考试词汇中国学生的考试生涯; 雅思考试(IELTS)词汇每日记忆海外旅行小知识; 雅思考试词汇各种声响; 雅思考试(IELTS)词汇每日记忆地理词汇知多少; 称赞女生必备的词汇; 雅思(IELTS)考试必备词汇薪水词汇; 雅思考试(IELTS)词汇每日记忆描述婚礼的词汇; 雅思考试(IELTS)词汇每日记忆你今天的心情是