is being和are being的用法?还有being和been的用法,为何有时过去式还用being?

is being和are being的用法?还有being和been的用法,为何有时过去式还用being? 英语翻译解释are和were和is being的区别 there are 和 there being的区别 They are being polite.为什么用being? being done 与am/is/are/being done 的这个被动语态有什么区别么 being 在这个句子的用法 Andrew is being a nuisance.Andrew is (being) a nuisance.My friends were (being) courageous.They are (being) clowns.这三处being 的用法 我不太明白 感觉是多余的 为什么要用在这里呢? human being 后面用are还是is human呢? each human being用单数还是复数(is/are)? Being happy is just like being fit.Being happy 和 being fit 中的being是什么意思,这是什么语法现象么? Being cool is being popular.第二个为什么用being?能不能不要being? be.am.is.are.were.was.been.being.分别是什么时候用的 bob is being silly. you are being very clever today .、being是什么意思,怎么改成其他句子 20为什么填is/are being said is/am/are being played造句 being 为什么用being? he is not being honest.为什么加being?being和honest都是形容词么?类似还有什么用法?英语中的being怎么用? being cool is being popular being young is being用法