请问“have to be done”是什么时态？其中的be为助动词吗？have to可以看作情态动词，本身是一般现在时态，但表示将来；be done中的be是 …
副词. 必须 不得不. 被迫. 只好. 只得. 显示更多. Troops had to be stationed at the new city. 队伍必须驻防在新的城市。 The process had to be …
have to 跟have to be have to 有义务去做某事，后面跟 do，即省略to的动词不定式，因为have to 看成半助动词。如： I have to go. 我得走了 …
had to be - 英中 – Linguee词典. 英语-中文 正在建设中. 例子: have profound import (idiom); to be deeply significant — 寓意深长. lit. have …
This exercise had to be carried out in three months. This was COMPELLED to complete. Did not meet deadline if you put …
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