题目内容
He _____ his parents that he has failed in the exam.
A. dares not tell B. dares not telling C. dare not tell D. dares not to tell
C
解析:
既可以作行为动词又可作情态动词的词除了need以外还有dare.
①dare:作情态动词用,一般用于否定句、疑问句及条件状语从句中,一般不用于肯定句中。有时态变化,但没有人称变化。如:
He dared not go out alone at night. 他夜晚不敢独自出去。
I daren’t ask you, because I thought I was wrong. 我没敢告诉你,担心自己错了。
②dare:作行为动词用,在肯定句中常后接带to 的不定式;否定、疑问句中要用do, does, did等助动词,在否定和疑问句中可接带to或不带to的不定式。有人称和时态变化。如:
I didn’t dare (to) come. 他不敢来。
Does he dare (to) swim across the river? 他敢游过河吗?
本题中dare是情态动词的用法。
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