English verb conjugation CAN REEF

Regular verb: reef - reefed - reefed

Affirmation

Simple form

I can reef
you can reef
he can reef
we can reef
you can reef
they can reef

V-ing form

I can be reefing
you can be reefing
he can be reefing
we can be reefing
you can be reefing
they can be reefing

Perfect

I can have reefed
you can have reefed
he can have reefed
we can have reefed
you can have reefed
they can have reefed

V-ing perfect

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

Negation

Simple form

I cannot reef
you cannot reef
he cannot reef
we cannot reef
you cannot reef
they cannot reef

V-ing form

I cannot be reefing
you cannot be reefing
he cannot be reefing
we cannot be reefing
you cannot be reefing
they cannot be reefing

Perfect

I cannot have reefed
you cannot have reefed
he cannot have reefed
we cannot have reefed
you cannot have reefed
they cannot have reefed

V-ing perfect

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

Interrogative form

Simple form

can I reef?
can you reef?
can he reef?
can we reef?
can you reef?
can they reef?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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