it was可以缩写成it's吗

it was 可以缩写成it's吗? it was可以缩写成it's吗 it’s 可以理解成it was的缩写吗? 请问It was 和 It has 可以缩写成It's吗? It was 可不可以缩写成 It's it was可以缩写为 it's吗?看到很多书都写it was,不写it's,什么原因呢? it was可以缩写成it's吗如题要有依据老了不死,请问it has 不可以所写成it's吗 It was 可缩写为It's It is和It was是否都可以缩写为It`s BE动词过去式可以缩写吗比如 IT WAS 可以写成 IT’S 那个，有什么参考资料吗？ it has been可以缩写成it's been It was可以缩写成It's么?How was your birthday party?A.It's a nice night B.We were very happy C.It's great.为什么是C不是B? It was能缩写为It's吗?但Hao was your vacation?It's boring.却缩写了?要有原因 what's it 可以这样缩写么 请问：He/She/It was能缩写成He's/She's/It's吗?He was not...能缩写成 He wasn't...但是能不能写成 He's not... 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? it was 可以缩写吗回答的有的说可以有的说不可以 晕了 he was 可以缩写成he's吗?