Has been separated for for 4 years ,I only want you to say to me " I like you "的翻译

请问为什么要用having been separated?而不是用to be separated?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. Has been separated for for 4 years ,I only want you to say to me I like you 的翻译 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 separated 请问 had been separated 和having been separated的区别呢? 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. the two old sisters,having been separated for years,held each other and burst into tears .为什么用having been separated 不用 had been separated Many workers of Sichuan origin--------their families for years,----to make enough money to return home.A.have been separated into;hopeB.have been separated into ;hopedC.have been separated from;hopingD.have been separated from;to hope 4.The two old sisters,__so long,held each other and burst into tears.A.being separated B.having been separatedC.having separated D.had been separated has been 求详解,非谓语动词求详解_______ from her parents, she was left with her two young sisters--aged three and seven. A. Being separated B. Having been separated C. Having separated D. Had been separated 英语题 ,需要帮助（须分析）（ ）from other continents for millions of years, Australia has many plants and animals not found in any other country in the world. A.Being sparated B.Having separated C.Having been separated D.To be I recognized her at first sight,though____from her for 20 years.答案是separated还是had been separated?为什么? has always has always been We have been separated from one another for a long time .I miss you.速回哦 The mother and son recognized each other at first sight though separated for many years.为什么不能用having been separated ,如果要用,该怎么用呢 The two sisters,_____so long,held each other and burst into tears.A separated B having been separated 为什么A不对, has been anything taken.