English verb conjugation COULD LEAF

Regular verb: leaf - leafed - leafed

Affirmation

Simple form

I could leaf
you could leaf
he could leaf
we could leaf
you could leaf
they could leaf

V-ing form

I could be leafing
you could be leafing
he could be leafing
we could be leafing
you could be leafing
they could be leafing

Perfect

I could have leafed
you could have leafed
he could have leafed
we could have leafed
you could have leafed
they could have leafed

V-ing perfect

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

Negation

Simple form

I could not leaf
you could not leaf
he could not leaf
we could not leaf
you could not leaf
they could not leaf

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I leaf?
could you leaf?
could he leaf?
could we leaf?
could you leaf?
could they leaf?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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