Irregular Verb: buy

Present Simple


I buy	Do I buy?	I don't buy
You buy	Do you buy?	You don't buy
He buys	Does he buy?	He doesn't buy
She buys	Does she buy?	She doesn't buy
It buys	Does it buy?	It doesn't buy
We buy	Do we buy?	We don't buy
They buy	Do they buy?	They don't buy

Past Simple


I bought	Did I buy?	I didn't buy
You bought	Did you buy?	You didn't buy
He bought	Did he buy?	He didn't buy
She bought	Did she buy?	She didn't buy
It bought	Did it buy?	It didn't buy
We bought	Did we buy?	We didn't buy
They bought	Did they buy?	They didn't buy

Present Continuous


I am buying	Am I buying?	I'm not buying
You are buying	Are you buying?	You aren't buying
He is buying	Is he buying?	He isn't buying
She is buying	Is she buying?	She isn't buying
It is buying	Is it buying?	It isn't buying
We are buying	Are we buying?	We aren't buying
They are buying	Are they buying?	They aren't buying

Past Continuous


I was buying	Was I buying?	I wasn't buying
You were buying	Were you buying?	You weren't buying
He was buying	Was he buying?	He wasn't buying
She was buying	Was she buying?	She wasn't buying
It was buying	Was it buying?	It wasn't buying
We were buying	Were we buying?	We weren't buying
They were buying	Were they buying?	They weren't buying

Present Perfect


I have bought	Have I bought?	I haven't bought
You have bought	Have you bought?	You haven't bought
He has bought	Has he bought?	He hasn't bought
She has bought	Has she bought?	She hasn't bought
It has bought	Has it bought?	It hasn't bought
We have bought	Have we bought?	We haven't bought
They have bought	Have they bought?	They haven't bought

Past Perfect


I had bought	Had I bought?	I hadn't bought
You had bought	Had you bought?	You hadn't bought
He had bought	Had he bought?	He hadn't bought
She had bought	Had she bought?	She hadn't bought
It had bought	Had it bought?	It hadn't bought
We had bought	Had we bought?	We hadn't bought
They had bought	Had they bought?	They hadn't bought

Simple Future


I will buy	Will I buy?	I won't buy
You will buy	Will you buy?	You won't buy
He will buy	Will he buy?	He won't buy
She will buy	Will she buy?	She won't buy
It will buy	Will it buy?	It won't buy
We will buy	Will we buy?	We won't buy
They will buy	Will they buy?	They won't buy

Going To Future


I am going to buy	Am I going to buy?	I'm not going to buy
You are going to buy	Are you going to buy?	You aren't going to buy
He is going to buy	Is he going to buy?	He isn't going to buy
She is going to buy	Is she going to buy?	She isn't going to buy
It is going to buy	Is it going to buy?	It isn't going to buy
We are going to buy	Are we going to buy?	We aren't going to buy
They are going to buy	Are they going to buy?	They aren't going to buy

Tenses:

Present Simple
Past Simple
Present Continuous
Past Continuous
Present Perfect
Past Perfect
Simple Future
Going To Future