The boy to write this letter needs a pen.的词法与句法
问题描述：
The boy to write this letter needs a pen.的词法与句法
答
主语是the boy 谓语是 needs宾语是a pen to write this letter 做宾语补足语need sth 需要某物人+ need +to do sth 某人需要做某事 I need to have a rest 我需要休息一下物 + need + doing= 物 + need to be done ...