English verb conjugation COULD GNAW

Regular verb: gnaw - gnawed - gnawed

Affirmation

Simple form

I could gnaw
you could gnaw
he could gnaw
we could gnaw
you could gnaw
they could gnaw

V-ing form

I could be gnawing
you could be gnawing
he could be gnawing
we could be gnawing
you could be gnawing
they could be gnawing

Perfect

I could have gnawed
you could have gnawed
he could have gnawed
we could have gnawed
you could have gnawed
they could have gnawed

V-ing perfect

I could have been gnawing
you could have been gnawing
he could have been gnawing
we could have been gnawing
you could have been gnawing
they could have been gnawing

Negation

Simple form

I could not gnaw
you could not gnaw
he could not gnaw
we could not gnaw
you could not gnaw
they could not gnaw

V-ing form

I could not be gnawing
you could not be gnawing
he could not be gnawing
we could not be gnawing
you could not be gnawing
they could not be gnawing

Perfect

I could not have gnawed
you could not have gnawed
he could not have gnawed
we could not have gnawed
you could not have gnawed
they could not have gnawed

V-ing perfect

I could not have been gnawing
you could not have been gnawing
he could not have been gnawing
we could not have been gnawing
you could not have been gnawing
they could not have been gnawing

Interrogative form

Simple form

could I gnaw?
could you gnaw?
could he gnaw?
could we gnaw?
could you gnaw?
could they gnaw?

V-ing form

could I be gnawing?
could you be gnawing?
could he be gnawing?
could we be gnawing?
could you be gnawing?
could they be gnawing?

Perfect

could I have gnawed?
could you have gnawed?
could he have gnawed?
could we have gnawed?
could you have gnawed?
could they have gnawed?

V-ing perfect

could I have been gnawing?
could you have been gnawing?
could he have been gnawing?
could we have been gnawing?
could you have been gnawing?
could they have been gnawing?

Interro-negative form

Simple form

could I not gnaw?
could you not gnaw?
could he not gnaw?
could we not gnaw?
could you not gnaw?
could they not gnaw?

V-ing form

could I not be gnawing?
could you not be gnawing?
could he not be gnawing?
could we not be gnawing?
could you not be gnawing?
could they not be gnawing?

Perfect

could I not have gnawed?
could you not have gnawed?
could he not have gnawed?
could we not have gnawed?
could you not have gnawed?
could they not have gnawed?

V-ing perfect

could I not have been gnawing?
could you not have been gnawing?
could he not have been gnawing?
could we not have been gnawing?
could you not have been gnawing?
could they not have been gnawing?

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