动词,包括三大类。
1,实义动词(及物动词vt.+宾语与不及物动词vi.+介词+宾语或不加宾语),也就是书后词汇表中绝大部分单词。
2,情态动词+动词原形
+be + 形容词,名词,介词。
Must, may, might, can, could, should, ought to, shall, will, would, dare敢,need,
3,系动词:可以加形容词, 无被动
Be: am, is, are, was, were
Look, taste, smell, feel, sound
Go, come, get, turn, become, grow, 变化
Keep, stay, remain 保持
Seem, appear 似乎
追问have done中的have可不可以做?