English verb conjugation CAN SUB

Regular verb: sub - subbed - subbed

Affirmation

Simple form

I can sub
you can sub
he can sub
we can sub
you can sub
they can sub

V-ing form

I can be subbing
you can be subbing
he can be subbing
we can be subbing
you can be subbing
they can be subbing

Perfect

I can have subbed
you can have subbed
he can have subbed
we can have subbed
you can have subbed
they can have subbed

V-ing perfect

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

Negation

Simple form

I can't sub
you can't sub
he can't sub
we can't sub
you can't sub
they can't sub

V-ing form

I can't be subbing
you can't be subbing
he can't be subbing
we can't be subbing
you can't be subbing
they can't be subbing

Perfect

I can't have subbed
you can't have subbed
he can't have subbed
we can't have subbed
you can't have subbed
they can't have subbed

V-ing perfect

I can't have been subbing
you can't have been subbing
he can't have been subbing
we can't have been subbing
you can't have been subbing
they can't have been subbing

Interrogative form

Simple form

can I sub?
can you sub?
can he sub?
can we sub?
can you sub?
can they sub?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

can't I sub?
can't you sub?
can't he sub?
can't we sub?
can't you sub?
can't they sub?

V-ing form

can't I be subbing?
can't you be subbing?
can't he be subbing?
can't we be subbing?
can't you be subbing?
can't they be subbing?

Perfect

can't I have subbed?
can't you have subbed?
can't he have subbed?
can't we have subbed?
can't you have subbed?
can't they have subbed?

V-ing perfect

can't I have been subbing?
can't you have been subbing?
can't he have been subbing?
can't we have been subbing?
can't you have been subbing?
can't they have been subbing?

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