have to be是什么时态

回答

瑞文问答

2021-08-23

have to be是一般现在时。
例句：
I said youd have to be extra careful.
我说过你必须格外小心。
Normally specimens have to be dehydrated.
通常标本必须得脱水。

扩展资料

　　You have to be careful what you say on TV.

　　在电视上说话时你不得不谨慎。

　　Bathrooms don't have to be purely functional.

　　浴室不必完全只为了实用。

　　Premature babies have to be fed intravenously.

　　早产儿必须通过静脉输入来喂食。