had been warned与have warned有什么区别

had been warned与have warned有什么区别 if he___,he____ that food.A.was warned ;would not take B.had been warned;would not have taken选哪个,为什么, 情态动词的英语题-if he ____,he that food.-luckily he was sent to the hospital immediately.A.was warned;would not takeB.had been warned;would not have takenC.would be warned;had not takenD.would have been warned;had not taken 高中选择一小题—If she ( ), the little ( )that medicine.—Luckily she was sent to the hospital immediately.a.was warned,would not takeb.had been warned , would not have takec.would be warned, had not takend.would have been warned,had not tak 几个中学英语问题If he .,he.that food ( B)Luckily he was sent to the hospital at once.A.was warned;would not take B .had been warned;would nit have takenC.wold be warned ;had not taken D.would have been warned ;had not takenIf 后面不是一 英语试卷中关于虚拟语气的选择题If she----,she-----that food.Luckily,she was sent to hospital immediately.a.had been warned,would not have taken b.was warned,would not takec.would be warned,had not taked.would had been warned,had not tak have been 与had been在遇到什么局子时have been 改用had been if he ------.he------that foodlucky he was sent to the hospitai immediately .A.was warned ;would not take B.had been warned; c;would not have taken Dwould have been warned ;had not taken 下面的回答有个 immediately 马上的意思,表示现在 英语语法问题 情态动词1.he ought to have been warned of the danger.---?, but he just wouldnt listen to me. the corract answer is SO HE WAS. why cant be SO HE HAD.so he was = He was warned? so he had= he had beeen warned?2.you---me up so ea ——He shoule have been warned of the danger.——____,but he wouldn't listen to me.A.So he had B——He shoule have been warned of the danger.——____,but he wouldn't listen to me.A.So he had B.so had he C.so was he D.so he was __of the dangers in the street,she had to go home,with his son__her.A Warning; followling B Having warned; followingC Having been; warned D Warned; followed we ( )to be careful of rats since the whole street was full of rubbishA.warned B.have warned C.have been warned D.were warning I knew he was a strange person.I had been warned about him.I had been warned about him.怎么理解呢? have been married与had married有什么区别 had to 与 must have been的区别 had to 与 must have been的区别 had to 与 must have been的区别 have been与had been的区别?（谢瓜了）这句话中的have been解释下：