which is 能不能缩写

which is 能不能缩写 what is,what was能不能缩写成what's ,which is called缩写为,called可以吗 缩写后逗号要去掉吗? The clock is that which tells the time.能不能去掉which或者能不能把that去掉? what are 能不能缩写 was 能不能缩写's jack is能不能缩写成jack's?能不能说jack's running?或者说jack's a teacher？ 1.I am not能不能缩写成I'm not.2.She is not.能不能缩写成She's not?3.you are not能不能缩写成you’re not? this is究竟能不能缩写成this's和this'?为什么 they are能不能缩写,We are能不能缩写 is this river in which I can swim能不能换成is this river which I can swim in sister能不能缩写为sis this is the thing which she is looking at这里at能不能提前? this is the thing which she is looking at这里at能不能介词提前? 强调句it is（was) .that/who,其中it is（was)能不能写成it's/it was不能缩写么? The building,which is to be built next year ,is our new library.什么是缩写定语从句哦? she is,she was,she has的缩写形式都是she's?我在百度上查有的说 she was能缩写,有的说不能缩写,到底这3个能不能缩写成she's? which能不能引导同位语从句?Which should be chosen is still a problem.能否改成同位语从句?