don't，英文单词，助动词，意思为没有。完全形式是do not。doesn't[英] [ˈdʌznt][美] [ˈdʌznt]是don't的三单形式，does的否定式doesn't=does not。
didn't是它的过去式，didn't=did not。注：does是do的第三形式。类似的还有：didn't=did not shouldn't=should not won't=will not。
扩展资料：
常见缩写形式与完全形式
其实，英文中的缩写比比皆是。当初缩写就是为了便利使用，由较长的英文单词或短语缩短省略而成的。它的特点是忠于原文，不改变原文的主题或中心思想，不改变原文的梗概。同时缩写之后必须保证不会扭曲词汇或缩写后变成另外一个词的原则。
小学英语阶段的一些缩写词跟完全形式：
I am=i'm
he is=he's
she is=she's
it is=it's
that is=that's
what is=what's
let us=let's
we are=we're
they are=they're
you are=you're
can not=can't
could not=couldn't
should not=shouldn't
will not=won't
i will=i'll
we will=we'll
do not=don't
does not=doesn't
did not=didn't
it has got=it's got
i have got=i've got
have not=haven't
has not=hasn't
are not=aren't
is not=isn't
want to=wanna
going to=gonna
