如题所述
1、need to do
例句：I need to do my homework.
句型：sb. need to do sth.——表主动
2、need doing
【need do ：无此用法】
例句：The flowers need watering=The flowers need to be watered.
句型：sth. need doing = sth. need to be done ——表被动
例句：I need to do my homework.
句型：sb. need to do sth.——表主动
2、need doing
【need do ：无此用法】
例句：The flowers need watering=The flowers need to be watered.
句型：sth. need doing = sth. need to be done ——表被动
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第1个回答 2011-01-20
You need listen carefully.
情态动词 直接加V.
You need to listen carefully.
不定式+to do
情态动词 直接加V.
You need to listen carefully.
不定式+to do
