got your back为什么是got 不是get?是习惯用于吗?

got your back为什么是got 不是get?是习惯用于吗? 是i got your back还是i 've got your back 我知道意思,问用法,字典上是i 've got your back ,我觉得前者应该是缩写一类的吧?可是电影中常是i got your back i got your back意思和一个外国人聊天,她说了一句：don't worry,i got your back!有谁知道i got your 翻译：i've got your back like you've got mine got got he got back home last I got right back up got your number是什么意思 got used to your Cats got your tongue you got your crayons? I got your contact. have you gotten your clothes washed?-----yes,i got my mother(to wash)them为什么是to wash 求t.i 的新单 got your back歌词~~~~~感激不尽 And what trouble have you got with your ____ and earsA.back B.foot C.nose support是什么意思?（要简洁的）Supergirl是什么意思？I got your back 回答对了加分 have got to 中的have为什么是实义动词?got 在这里是什么词性?