English verb conjugation CAN BUY

Irregular verb: buy - bought - bought

Affirmation

Simple form

I can buy
you can buy
she can buy
we can buy
you can buy
they can buy

V-ing form

I can be buying
you can be buying
she can be buying
we can be buying
you can be buying
they can be buying

Perfect

I can have bought
you can have bought
she can have bought
we can have bought
you can have bought
they can have bought

V-ing perfect

I can have been buying
you can have been buying
she can have been buying
we can have been buying
you can have been buying
they can have been buying

Negation

Simple form

I can't buy
you can't buy
she can't buy
we can't buy
you can't buy
they can't buy

V-ing form

I can't be buying
you can't be buying
she can't be buying
we can't be buying
you can't be buying
they can't be buying

Perfect

I can't have bought
you can't have bought
she can't have bought
we can't have bought
you can't have bought
they can't have bought

V-ing perfect

I can't have been buying
you can't have been buying
she can't have been buying
we can't have been buying
you can't have been buying
they can't have been buying

Interrogative form

Simple form

can I buy?
can you buy?
can she buy?
can we buy?
can you buy?
can they buy?

V-ing form

can I be buying?
can you be buying?
can she be buying?
can we be buying?
can you be buying?
can they be buying?

Perfect

can I have bought?
can you have bought?
can she have bought?
can we have bought?
can you have bought?
can they have bought?

V-ing perfect

can I have been buying?
can you have been buying?
can she have been buying?
can we have been buying?
can you have been buying?
can they have been buying?

Interro-negative form

Simple form

can't I buy?
can't you buy?
can't she buy?
can't we buy?
can't you buy?
can't they buy?

V-ing form

can't I be buying?
can't you be buying?
can't she be buying?
can't we be buying?
can't you be buying?
can't they be buying?

Perfect

can't I have bought?
can't you have bought?
can't she have bought?
can't we have bought?
can't you have bought?
can't they have bought?

V-ing perfect

can't I have been buying?
can't you have been buying?
can't she have been buying?
can't we have been buying?
can't you have been buying?
can't they have been buying?

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