English verb conjugation CAN FRET

Regular verb: fret - fretted - fretted

Affirmation

Simple form

I can fret
you can fret
he can fret
we can fret
you can fret
they can fret

V-ing form

I can be fretting
you can be fretting
he can be fretting
we can be fretting
you can be fretting
they can be fretting

Perfect

I can have fretted
you can have fretted
he can have fretted
we can have fretted
you can have fretted
they can have fretted

V-ing perfect

I can have been fretting
you can have been fretting
he can have been fretting
we can have been fretting
you can have been fretting
they can have been fretting

Negation

Simple form

I cannot fret
you cannot fret
he cannot fret
we cannot fret
you cannot fret
they cannot fret

V-ing form

I cannot be fretting
you cannot be fretting
he cannot be fretting
we cannot be fretting
you cannot be fretting
they cannot be fretting

Perfect

I cannot have fretted
you cannot have fretted
he cannot have fretted
we cannot have fretted
you cannot have fretted
they cannot have fretted

V-ing perfect

I cannot have been fretting
you cannot have been fretting
he cannot have been fretting
we cannot have been fretting
you cannot have been fretting
they cannot have been fretting

Interrogative form

Simple form

can I fret?
can you fret?
can he fret?
can we fret?
can you fret?
can they fret?

V-ing form

can I be fretting?
can you be fretting?
can he be fretting?
can we be fretting?
can you be fretting?
can they be fretting?

Perfect

can I have fretted?
can you have fretted?
can he have fretted?
can we have fretted?
can you have fretted?
can they have fretted?

V-ing perfect

can I have been fretting?
can you have been fretting?
can he have been fretting?
can we have been fretting?
can you have been fretting?
can they have been fretting?

Interro-negative form

Simple form

can I not fret?
can you not fret?
can he not fret?
can we not fret?
can you not fret?
can they not fret?

V-ing form

can I not be fretting?
can you not be fretting?
can he not be fretting?
can we not be fretting?
can you not be fretting?
can they not be fretting?

Perfect

can I not have fretted?
can you not have fretted?
can he not have fretted?
can we not have fretted?
can you not have fretted?
can they not have fretted?

V-ing perfect

can I not have been fretting?
can you not have been fretting?
can he not have been fretting?
can we not have been fretting?
can you not have been fretting?
can they not have been fretting?

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