Be动词和助动词用法区别

Be动词和助动词用法区别:其实be动词也是助动词(auxiliary verbs)。英语动词大致可分为三种:助动词(auxiliary verbs),情态动词(modal verbs),实意动词(fu

腾讯文库Be动词和助动词用法区别Be动词和助动词用法区别