缩写形式they glasses you are i have we are he has

我想问下they glasses
you are = you're
i have= i've
we are = we're
he has= he's
但是缩写我想告诉你的是尽量少用,缩写主要用在非正式环境下 或是口语中 如果你是写正式文稿还是最好不用