来自孙继昌的问题
【英语区分doingto和bedoing,beingdone和tobebeingdone.请帮我区分一下doingto和bedoing,beingdone和tobebeingdone.】
英语区分doingto和bedoing,beingdone和tobebeingdone.
请帮我区分一下
doingto和bedoing,
beingdone和tobebeingdone.


【英语区分doingto和bedoing,beingdone和tobebeingdone.请帮我区分一下doingto和bedoing,beingdone和tobebeingdone.】
英语区分doingto和bedoing,beingdone和tobebeingdone.
请帮我区分一下
doingto和bedoing,
beingdone和tobebeingdone.
doingto:正准备做什么
bedoing:正在做什么
beingdone:表示什么事情已经被做完了.
tobebeingdone:是过去完成进行时,表示什么事情正需要由某人来完成.