someone后面能不能加系动词? 若能的话请问应加are还是is?

someone后面能不能加系动词? 若能的话请问应加are还是is? all but one 后面应加is 还是are is often后能不能加动词?能的话加什么?（do/doing) five dollars 后面加动词be 是加is 还是加 are 系动词后面能不能直接加形容词 动词后面能不能加形容词? After后面能不能加动词? people后面加is还是are Chinese food后面加is还是are their homework后面加is还是are human后面加is还是are? people后面到底加is还是are