dare作实义动词和情态动词的用法及习题

一 dare可作实义动词，意为“敢于，胆敢”，作实义动词时，有人称、时态和数的变化

1）在肯定句中，其后常接带to的不定式

2）在否定句和疑问句中，既可接带to的不定式，也可接不带to的不定式

3）在否定句和疑问句中，要用do,does, did等助动词

He dares to swim across the river.他敢游过这条河。

Do you dare（to） tell her the truth? 你敢告诉她真相吗？

He doesn’t dare (to) come to see you. 他不敢来见你。

dare

二dare也可作情态动词，意为“敢，胆敢”，没有人称和数的变化，时态只有现在时和过去时，通常用于否定句和疑问句。常见用法

I dare say (that) ... 我想...，可能...

The little girl dare not speak in public.那个小女孩不敢再公众面前说话。

He dare not tell us the truth.他不敢告诉我们实情。

I dare say （that） Jack won’t come. 我想杰克不会来。

三 dare作实义动词和作情态动词的区别，

dare作实义动词可用于各种句子中；作情态动词时，主要用于否定句和疑问句中。

1）肯定句：实义动词 dare/dares /dared +to +do

We must dare to think, speak and act.我们必须敢想、敢说、敢做。

2）疑问句

情态动词： Dare /Dared +主语 +do...?

实义动词：Do/Does/Did + 主语 +dare （+to) +do ...?

Dare he speak to her? = Does he dare (to) speak to her?

他敢和她说话吗？

3）否定句

情态动词： daren’t / dare not /dared not +do.

实义动词：don’t /doesn’t/ didn’t + dare （+to) +do

He daren’t speak to her. = He doesn’t dare (to) speak to her.

他不敢和她说话。

习题

句型转换

1. Does she dare to walk home alone at night? dare作实义动词

____ she ____ home alone at night? dare作情态动词

Dare, walk

2.We dared not tell him that he had failed again this time. dare作情态动词

We _______ him that he had failed again this time. dare作实义动词

didn’t dare (to) tell

语法填空

1.The little girl dares _____(live) alone when her parents are away.

to live, dare作实义动词

2.She doesn’t dare ______（say） what she thinks.

to say, dare作实义动词

3.He daren’t _____(speak) English before his classmates.

speak, dare作情态动词