He has been ill for several weeks,so he has ______ in learning Maths.

he has been ill for 3 days 为什么不用sick he has been ill for weeks.ill作表语这句谁是系语? Mr.Baker has been very ill for over a month,he has been too ill to do his jib. He has been ill for several weeks,so he has ______ in learning Maths. 连词成句has,been,for,a,time,long,he,ill He has been ill for a long time and is unlikely to r___ His dad has been ill for a month.Now he's w____ he has been ill for a week a month ago 这句话对吗?有没有语法错误? He has been ___ （ill) for a week.答案是ill.been 后面不是要接done吗?为什么要用动词原形? --You know mike has been ill for days.--yes,I wonder if he is ___ better now AanyBsome Cno Dmore 造个句子表达:他病了一周了,现在好了.He has been ill for a week. 这两个句子中的be动词是助动词吗?He has been ill for 3 days.you'll be ok. He has never been heard _______ ill of others. 翻译10.he has been ill and is growing weak 5.He looked as if he _____ ill for a long time A.was　　 B.Were C.has been　　 D.had been .—You know Mr Brown has been ill for days?.—You know Mr Brown has been ill for days?—Yes.I wonder if he is better now?A any B.some C.much D.no选什么? She has been ill for over two days .(改为同义句） she has been ill for____ ____two days. she has been ill for 3 days,这里为什么要用been,直接she has ill 不行吗