关于need的语法.then their holiday plans need be talked about在阅读中看到了这句话为什么不是need to be?

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关于need的语法.then their holiday plans need be talked about在阅读中看到了这句话为什么不是need to be?

关于need的语法.then their holiday plans need be talked about在阅读中看到了这句话为什么不是need to be?
关于need的语法.
then their holiday plans need be talked about
在阅读中看到了这句话
为什么不是need to be?

关于need的语法.then their holiday plans need be talked about在阅读中看到了这句话为什么不是need to be?
need 是情态动词 直接加动词就行了

need可以作情态动词,用法同can
也可以作助动词,即need to do/be

need 有两种用法:
(1)need 作实义动词,就是普通的动词,有时态和形式的变化。意思是需要。用法是need to do something.(2)need 作情态动词,后面直接接动词原形。

need 有两种词组。
need to do sth 和 need do sth

当NEED做实义动词时候,有两种搭配:NEED TO DO STH 和NEED DOING STH
当NEED做情态动词时,NEED DO STH.
不过,假如作被动语态,最好采用NEED TO DO STH,文中可以改成NEED TO BE TALKED ABOUT 或者NEED TALKING ABOUT.

meed在这里做情态动词,情态动词后跟动词原形.