have to
have to 意思是 “have to + 动词:必须做;don't have to = 不必做”. have to 表示因规则或客观情况而必须做:I have to get up early tomorrow. 接续: have/has to + V · don't have to = not necessary
have to + 动词:必须做;don't have to = 不必做
A2接续
have/has to + V · don't have to = not necessary
解释
have to 表示因规则或客观情况而必须做:I have to get up early tomorrow。She has to work on Saturdays。否定形式的意思是「不必」:You don't have to pay now(可以付,但没有必要)。疑问:Do I have to ...?
例句
注意
don't have to(不必)和 must not(禁止)完全不同——见 must 条目。主语是 he/she/it 用 has to;过去式是 had to。
FAQ
have to — 是什么意思、怎么用?
have to + 动词:必须做;don't have to = 不必做. have to 表示因规则或客观情况而必须做:I have to get up early tomorrow。She has to work on Saturdays。否定形式的意思是「不必」:You don't have to pay now(可以付,但没有必要)。疑问:Do I have to ...?
have to — 怎么接续?
have/has to + V · don't have to = not necessary
have to — 有什么注意点?
don't have to(不必)和 must not(禁止)完全不同——见 must 条目。主语是 he/she/it 用 has to;过去式是 had to。