he feels ill这里的ill做什么成分

he feels ill这里的ill做什么成分 请问 he feels ill 的feels 为什么要加-s? He feels ___(terrible) ill. he feels _(terrible) ill. he feels ill怎么变问句 He feels ill 如何改一般疑问句 Tom is ill.He feels t_____ He feels ill. 做句型转换,各位哥哥姐姐帮帮我 He is seriously ill.为什么serious要用副词哪,这里的ill是什么词性哪. his mother being ill,he had to stay at home,这里的being ill,是现在 Jill feels ill.so he is going to see the doctor 什么意思? He feels ill 改一般疑问句改成Does he feel ill?为何用does不用Is?