英语need实义动词于情态动词的用法和结构,请说明白点
来源：学生作业帮助网 编辑：六六作业网 时间：2024/12/26 16:26:55
英语need实义动词于情态动词的用法和结构,请说明白点
英语need实义动词于情态动词的用法和结构,请说明白点
英语need实义动词于情态动词的用法和结构,请说明白点
need实义动词：need to do sth .有人称变化.例如：he needs an apple .变否定：don't或doesn't.一般疑问：把do/does提到前面就ok例如：does he need an apple
need 情态动词：和can的用法基本一样只是回答不一样,need的回答：肯定回答：you (must必须）否定回答：no,i need .一般疑问：例如：need he go home
行为 need 情态need
He needs to get up early. ....(不用于肯定句/陈述句中，无此表达。）
He doesn't need to get up early. = He needn't g...
全部展开
行为 need 情态need
He needs to get up early. ....(不用于肯定句/陈述句中，无此表达。）
He doesn't need to get up early. = He needn't get up early.
Does he need to get up early? = Need he get up early?
Yes, he does./No, he doesn't. Yes, he must./ No, he needn't= No, he don't have to.
收起
need 作实义动词时，就是“需要”的意思，一般是need to do sth, needn't to do sth ,当它做情态动词时，用法与其他情态动词一样，如can