怎么分别助动词,情态动词,be动词答:顾名思义,助动词就是帮助动词的词,例如,DO you need some coffe?其中need就是动词而do就是助动词,常见的动词有be, have, do, shall, will, should, would 。而情态动词就是情态动词是一种本身有一定的词义,表示说话人的情绪,态度或语气的动词,但不能单独作谓语, 只能和其他动词原形构成谓语...
连系动词be、助动词be、系动词be有啥区别吗?答:3) 最常用的助动词有:be, have, do, shall, will, should, would be动词的用法 be [bi:]vi 现在时 I am, you are, he is, we are, you are, they are (缩略式 I'm, you're, he's, we're, you're, they're), (否定缩略式 I'm not, isn't, aren't), 过去时 I...