having been ill for two weeks,she felt rather weak...这里用felt还是feel

having been ill for two weeks,she felt rather weak...这里用felt还是feel having been ill in bed for nearly a month,he had a hard time（）the exam.为什么填passing having been ill for a long time,so she ell behind her classmates为什么so是多余的?急having been ill for a long time,so she ell behind her classmates为什么so是多余的?having been ill for a long time,so she fell behind her classmates为什 20.-----for a long time,but he tried his best to catch up with his classmates.A.Having been ill B.Being ill C.Tough he was ill D.He was ill —————for quite some time ,he caught up with his classmatesA having been ill B being ill C he was ill D ill as he was 选d为什么 Having been ill in bed for about two months,he had a hard time toclimb the hill我想知道开头为什么用having been?其他形式的非谓语为什么不可以? Having been ill in bed for nearly a month,he had a hard time______the exam.A.pass B.to pass C.passed D.passing Having been ill for a month,Tim has lots of lessonsA.made up B.making upC.make up D.to make up 因为不能这样说,he has been having a ill in the hospital for a week,但又想用语法体现出一直持续的状态 he has been ill for 3 days 为什么不用sick ____for a long time ,but jim tried his best to catch up with his classmatesA Being ill B Though he had been ill C He had been ill D Having been ill 选什么,Why?Though和but不能兼得！ he has been ill for weeks.ill作表语这句谁是系语? ____,so he didn't come to school last week.A.Though he was ill B.being ill C.Having been ill D.He was 选哪个?为什么? 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 Mr.Baker has been very ill for over a month,he has been too ill to do his jib. lisa's mother has been ill for two years.这个句子中为什么有been? 非谓语动词练习 （ ）1 The old man,______abroad for twenty years,is on the way back to his motherland.A to work B to have worked C working D having worked2 Having been ill in bed for nearly a month,he had a hard time____exam.A padd B to pass