English verb conjugation
COULD PAY

Irregular verb: pay - paid - paid

Affirmation

Simple form	V-ing form
I could pay you could pay she could pay we could pay you could pay they could pay	I could be paying you could be paying she could be paying we could be paying you could be paying they could be paying
Perfect	V-ing perfect
I could have paid you could have paid she could have paid we could have paid you could have paid they could have paid	I could have been paying you could have been paying she could have been paying we could have been paying you could have been paying they could have been paying

Negation

Simple form	V-ing form
I couldn't pay you couldn't pay she couldn't pay we couldn't pay you couldn't pay they couldn't pay	I couldn't be paying you couldn't be paying she couldn't be paying we couldn't be paying you couldn't be paying they couldn't be paying
Perfect	V-ing perfect
I couldn't have paid you couldn't have paid she couldn't have paid we couldn't have paid you couldn't have paid they couldn't have paid	I couldn't have been paying you couldn't have been paying she couldn't have been paying we couldn't have been paying you couldn't have been paying they couldn't have been paying

Interrogative form

Simple form	V-ing form
could I pay? could you pay? could she pay? could we pay? could you pay? could they pay?	could I be paying? could you be paying? could she be paying? could we be paying? could you be paying? could they be paying?
Perfect	V-ing perfect
could I have paid? could you have paid? could she have paid? could we have paid? could you have paid? could they have paid?	could I have been paying? could you have been paying? could she have been paying? could we have been paying? could you have been paying? could they have been paying?

Interro-negative form

Simple form	V-ing form
couldn't I pay? couldn't you pay? couldn't she pay? couldn't we pay? couldn't you pay? couldn't they pay?	couldn't I be paying? couldn't you be paying? couldn't she be paying? couldn't we be paying? couldn't you be paying? couldn't they be paying?
Perfect	V-ing perfect
couldn't I have paid? couldn't you have paid? couldn't she have paid? couldn't we have paid? couldn't you have paid? couldn't they have paid?	couldn't I have been paying? couldn't you have been paying? couldn't she have been paying? couldn't we have been paying? couldn't you have been paying? couldn't they have been paying?