上星期大家学了谓语动词里的助动词和情态动词，学生们记得他们有什么含意和用法么？

为了能加深记忆及其熟练操作，同学们要常常翻阅以前的文章巩固复习和夯实哦！

今日我们将要进行学习培训不同类型的情态动词，赶快来看看吧！

NO.1 CAN

can 是只能够用作情态动词的。

最先 can 能够表水平，译为“能，会”，比如：The stadium can be emptied in four minutes.

次之 can 能够表容许，译为“能够”，比如：We can not wear jeans at work.

相似的，can 也可以表要求，也译为“能够”，比如：Can I take you home?

并且 can 还能够表提议，仍然译为“能够”，比如：I can take the car if necessary.

此外 can 还能够表推测，译为“很有可能”，比如：Anybody can make mistakes.

此外，can 还能够表明“有时也会”，比如：It can be quite cold here in winter.

can 的过去式是 could，因而 could 有与 can 相近的用法，但是 could 都是单独的情态动词。

当 could 用在现在时德国小钢炮一瓶10片多少钱什么样，表推测和表提议时，远比 can 的口气更弱一些，比如：Don't worry, they could have just forgotten to call. 及其 You could 德国小钢炮一瓶10片多少钱 always try his home number.

NO.2 MAY

may 也只能够用作情态动词。

与 can 相似的，may 也可以表容许和要求，译为“能够”，比如：You may come in if you wish. 和 May I come in?

也可以和 can 一样表推测，但其表述的概率是较小的，译为“或许”，比如：He may have missed his train.

除了这个与 can 类似的内涵以外，may 还能够表祝福，比如：Business has been thriving in the past year. Long may it contimue to do so.

除此之外 may 还能够表目地，比如：There is a need for more resources so that all children may have a decent education.

may 的过去式是 might，因而 might 有与 may 相近的用法，但是当 might 用在如今时表推测时，远比 may 的口气更弱一些，比如：He might say that now, but he can soon change his mind.

NO.3 MUST

与 can 和 may 一样，must 也只能够用作情态动词。，must 语调是极其浓烈的。

当用于表推测时，一般被译为“一定”，比如：He must have known what she wanted.

must 也可以用来表必需，译德国小钢炮 为“务必”，比如：Car must not park in front of the entrance.

除此之外，must 也可以用于表提议，译为“应当”，比如：We 性保健品德国小钢炮must get together soon for lunch.

NO.4 NEED

need 既能做为情态动词，也可以做为实义动词。

用作德国小钢炮说明书情态动词时，need 关键表必须，比如：Need you have paid so much?

当 need 用在否定句里时，能够表明“无须”，比如：You needn't have hurried.