-how's your project?i heard you started it last night -i__for it ,but i haven't decided when to do-how's your project?i heard you started it last night -i__for it ,but i haven't decided when to do it为啥天的事have been preparing?不应该是have being prepared吗?
问题描述：
-how's your project?i heard you started it last night -i__for it ,but i haven't decided when to do
-how's your project?i heard you started it last night
-i__for it ,but i haven't decided when to do it
为啥天的事have been preparing?不应该是have being prepared吗?
答
have done 表示本要做却没做 进行时表示一直…
答
主语是“我”怎么能用被动？前者是现在完成进行时、后者写得有问题、没那种用法。
答
have been doing 是现在完成进行时
表示过去一直进行到现在有可能还将持续到将来的一中表达方式.