1.need作实义动词时, 注意以下用法:
①.need to do sth; ②.need sb to do sth; ③.need doing sth (主动形式表被动意义)
a. You need to remain in bed.
b. I need you to help me with the housework.
c. The garden needs watering.( =The garden needs to be watered.)
2.need作情态动词时, 多用于否定句及疑问句中, 不用于肯定句中
a. It is still early. You neednt hurry. =You dont need to hurry.
b. It is 11 oclock. Need I go now? =Do I need to go now ?
3.对于用need的提问, 肯定回答用must, 否定回答用neednt
a. Need I come? Yes, you must. / No, you neednt.
七.dare / dared的用法: 表示 敢, 既可作为情态动词, 也可作为实义动词
1.作为情态动词时, 主要用于否定句和疑问句中, 不用于肯定句中
a. Little Jane dared not go alone. =Little Jane didnt dare to go alone.
b. Dare you go out alone at night ? =Did you dare to go out alone at night ?
2.作为实义动词时, 可用于: dare to do sth
a. Little Jane didnt dare to go alone.
b. Did you dare to go out alone at night ?
【高考英语总复习语法专项 情态动词】相关文章:
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