English verb conjugation CAN SKI

Regular verb: ski - skied - skied

Affirmation

Simple form

I can ski
you can ski
he can ski
we can ski
you can ski
they can ski

V-ing form

I can be skiing
you can be skiing
he can be skiing
we can be skiing
you can be skiing
they can be skiing

Perfect

I can have skied
you can have skied
he can have skied
we can have skied
you can have skied
they can have skied

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

can I ski?
can you ski?
can he ski?
can we ski?
can you ski?
can they ski?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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