作业帮请问为什么要用having been separated?而不是用to be separated?
来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/05/31 07:12:24
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.
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.
因为已经发生的事实“be separated from other continents for millions of years" 才造成了现在”Australia has many plants and animals not found in any other country in the world“ 这个事实,所以是过去发生的事情持续到现在对现在产生的影响,所以用一般完成时
请问为什么要用having been separated?而不是用to be separated?
请问 had been separated 和having been separated的区别呢?
having been separated from other continents.
separated
Having been separated from other countinents for millions of
Never to be separated的汉语意思
be separated from 与be separated into的区别?
Can not be separated from
The two old brothers,having been separated so long,held each
never separated
Multiple names must be null-separated
be separated into different groups翻译