在英语学习中,动词的时态是十分重要的。在英语中现在进行时态的结构是be动词的现在式am, is和are+doing,而一般现在时态中动词不能加ing。
如:He is doing his homework  now. He does his homework every day. 第一句句子是现在进行时态,而第二句则是一般现在时态。
在英语学习中,动词的时态是十分重要的。在英语中现在进行时态的结构是be动词的现在式am, is和are+doing,而一般现在时态中动词不能加ing。
如:He is doing his homework  now. He does his homework every day. 第一句句子是现在进行时态,而第二句则是一般现在时态。