1.The bridge will be finished by the end of 2015.( by+未來(lái)時(shí)間,用將來(lái)完成時(shí)）
2.The singer has been suffering from a bad cold these days.（these days,用現(xiàn)在完成時(shí)）
3.There is nothing wrong with you and that boy being friends and studying together.（with+人+Ving結(jié)構(gòu)）
4.You can do the homework by discussing with classmates.（by為介詞,后加動(dòng)詞的ing形式）
5.Anne has been crazy about nature all her life.（all one's life與現(xiàn)在完成時(shí)連用）第一題老師給的答案是will have being finished( ⊙ o ⊙ )啊！…二 …………………… has being suffered……………………大家的答案很多都不同，求答案~~~~(>_<)~~~~你們老師給的答案有錯(cuò)，have 后在只可能有have done/have been done/have been doing的結(jié)構(gòu)，怎么會(huì)有have doing的呢？doing前一般用be的某種形式謝謝，還有The singer has been suffering ，suffer為什么要用ing??？不好意思,這是現(xiàn)在完成進(jìn)行時(shí),基本形式為have been doing,昨天才少 打了"進(jìn)行"