Ain't is a word we will mainly use in spoken English and it's used very informally and it shows a negative.
We can use it with a noun and say, for example:
- I ain't got any money
and this would mean
- I haven't got any money.
We can also use it with the continuous tense and say:
- I ain 't speaking to them
and this would mean:
- I am not speaking to them
and this implies that maybe you've had a disagreement and have fallen out.
We'll also use it with adjectives and say for example:
- I ain't hungry
again meaning that
- I am not hungry
So as you can see "ain't' shows a negative. As a real informal and colloquial saying, you may hear some people say something like
- I ain't got no money!
Now, this is a double negative and if You have a double negative it will normally mean a positive, but here it still remains a negative.! So jst be careful with that.
So I ain' t' is a negative for the auxiliary or helping verbs 'have' and 'be'. and remember only use in informal situations.
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About Ajarn Ken

Ajarn Ken is an English as a second language teacher with over 10 years experience teaching English all over the world including Europe, Central and South America and Asia.
Most recently, Ken was teaching university graduates in Bangkok, Thailand English and self development to prepare them for working in the aviation industry.
Ken successfully worked with hundreds of students placing them with some of the world's most well known airlines including Qatar, Emirates, Thai Airways, Norwegian Air, Gulf Air, Singapore Airline and many more.
Ken now has his own successful and well known Instagram channel Get English Tips which has well over 100,000 followers.