need既可以作实义动词,又可以作情态动词,还可以作名词。下面简单谈一谈它的用法。一、作实义动词need作实义动词用时,与其它实义动词一样,有人称、时态和数的变化。谓语动词为need的肯定句,改为否定句和疑问句时,要加助动词do的相应形式,但need一般没有进行时。其用法主要有下面三种: need can be both a real verb, a modal verb, and a noun. Here's a brief talk about its usage. First, as a real verb need for real verb, as with other real verbs, some people say, tense and number changes. Predicate verb affirmative sentence for need, to negative sentences and interrogative sentences, to add a corresponding form of verb do, but need not generally carried out. Its usage mainly has the following three kinds: