having been separated from other continents.Having been separated from other countinents for millions of years,Australia has many plants and animals not found in any other country in the world.为什么是被动语态,难道澳大利亚还是被谁

用having been done 造句 having been done的用法 having been done是什么时态? doing having done being done having been done 造句! having done和having been done怎么用 如题 having been done和having done的区别rt having been refused 2.being refusea having been done能做定语吗? having been done 为什么不能做定语? having been done 为什么不能做定语? we should always love has been well and so never separate HAVING BEEN DONE和HAVE BEEN DONE有什么区别? have been possessing 和 have been having 哪个更合适? have been done 与 having been done 与have been doing与having been doing有什么区别 not having been invited和having not been invited那个是对的? We have been having w weatherWe have been having w weather recently.So I feel great! having been done 的用法我知道having been done 和having done 不能做定语 为什么 have been done和have been doing 和having been done和having done的区别.请举例,