情态动词有哪些?
can (could), may (might), must, need, ought to, dare (dared), shall (should), will (would) must not.
情态动词(Modal verbs)本身有一定的词义,表示语气的单词。但是不能独立作谓语,只能和动词原形一起构成谓语。情态动词用在行为动词前,表示说话人对这一动作或状态的看法或主观设想。 情态动词虽然数量不多,但用途广泛;
四大分类①只做情态动词:may, might, must......②可做情态动词又可做实义动词:如:need, dare,can.......③具有情态动词特征:have(had,has) to,used to, ought to④可做情态动词又可作助动词:如:shall(should),will(would)
注意mustn't代表强烈禁止 must表示主观,have to表示客观。美式英语中常用must not 而不用 mustn't. mayn't,mightn't和shan't也很少用;
常用can (could), may (might), must, need, ought to, dare (dared), shall (should), will (would)。