Leave for 和 leaving for 有什么区别?

leaving for 和 leave for 的区别和用法 Leave for 和 leaving for 有什么区别? he is leaving for Shanghai.where does he leave 和where is he going选择哪 leaving time 和leave time的区别 i hope that we___home tomorrow.leave for/are leave/ are leaving for/can going to leave leave off和leave for的用法区别leave off 和leave for 好象都有离开某地去某地的意思.eg.when did them leave off ShangHai I'm leaving for Beijing.I shall leave HongKong for BeiJing.特别leave for和leave to 等有什么不同呢,例 When ( ) you ( ) beijing? Tomorrow. A.do ;leave for B.were ;leaving for C.did; leave ford.are ;leaving for I am ___(leave)for Shanghai.为什么是leaving? They havn't decided when---for shanghaiA to be leaving B to leave C leaving D leave leave A for B和leave for Tom,along with his friends.___Beijing tomorrow A are leaving for B leave for C leaves toD is leaving for whan are you london paris?A.leave ,go to B.leave ,for C.leaving from,to be leaving for和be leaving to的区别 will leave和are leaving有什么区别 must be leaving 和must leave 的区别 when he leave 和when he is leaving区别 for 是介词,后面加-ing,为什么是ask for leave ,而不是ask for leaving感激不尽 They are leaving for Beijing tomorrow.为什么用“are leaving”?They will leave for Beijing tomorrow.可以换成这样吗?