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male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation COULD BUY

Irregular verb: buy - bought - bought


Affirmation

Simple form
I could buy
you could buy
she could buy
we could buy
you could buy
they could buy
V-ing form
I could be buying
you could be buying
she could be buying
we could be buying
you could be buying
they could be buying
Perfect
I could have bought
you could have bought
she could have bought
we could have bought
you could have bought
they could have bought
V-ing perfect
I could have been buying
you could have been buying
she could have been buying
we could have been buying
you could have been buying
they could have been buying

Negation

Simple form
I couldn't buy
you couldn't buy
she couldn't buy
we couldn't buy
you couldn't buy
they couldn't buy
V-ing form
I couldn't be buying
you couldn't be buying
she couldn't be buying
we couldn't be buying
you couldn't be buying
they couldn't be buying
Perfect
I couldn't have bought
you couldn't have bought
she couldn't have bought
we couldn't have bought
you couldn't have bought
they couldn't have bought
V-ing perfect
I couldn't have been buying
you couldn't have been buying
she couldn't have been buying
we couldn't have been buying
you couldn't have been buying
they couldn't have been buying

Interrogative form

Simple form
could I buy?
could you buy?
could she buy?
could we buy?
could you buy?
could they buy?
V-ing form
could I be buying?
could you be buying?
could she be buying?
could we be buying?
could you be buying?
could they be buying?
Perfect
could I have bought?
could you have bought?
could she have bought?
could we have bought?
could you have bought?
could they have bought?
V-ing perfect
could I have been buying?
could you have been buying?
could she have been buying?
could we have been buying?
could you have been buying?
could they have been buying?

Interro-negative form

Simple form
couldn't I buy?
couldn't you buy?
couldn't she buy?
couldn't we buy?
couldn't you buy?
couldn't they buy?
V-ing form
couldn't I be buying?
couldn't you be buying?
couldn't she be buying?
couldn't we be buying?
couldn't you be buying?
couldn't they be buying?
Perfect
couldn't I have bought?
couldn't you have bought?
couldn't she have bought?
couldn't we have bought?
couldn't you have bought?
couldn't they have bought?
V-ing perfect
couldn't I have been buying?
couldn't you have been buying?
couldn't she have been buying?
couldn't we have been buying?
couldn't you have been buying?
couldn't they have been buying?