English verb conjugation COULD PUZZLE

Regular verb: puzzle - puzzled - puzzled

Affirmation

Simple form

I could puzzle
you could puzzle
he could puzzle
we could puzzle
you could puzzle
they could puzzle

V-ing form

I could be puzzling
you could be puzzling
he could be puzzling
we could be puzzling
you could be puzzling
they could be puzzling

Perfect

I could have puzzled
you could have puzzled
he could have puzzled
we could have puzzled
you could have puzzled
they could have puzzled

V-ing perfect

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

Negation

Simple form

I could not puzzle
you could not puzzle
he could not puzzle
we could not puzzle
you could not puzzle
they could not puzzle

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I puzzle?
could you puzzle?
could he puzzle?
could we puzzle?
could you puzzle?
could they puzzle?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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