English verb conjugation CAN IMPAIR

Regular verb: impair - impaired - impaired

Affirmation

Simple form

I can impair
you can impair
he can impair
we can impair
you can impair
they can impair

V-ing form

I can be impairing
you can be impairing
he can be impairing
we can be impairing
you can be impairing
they can be impairing

Perfect

I can have impaired
you can have impaired
he can have impaired
we can have impaired
you can have impaired
they can have impaired

V-ing perfect

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

Negation

Simple form

I cannot impair
you cannot impair
he cannot impair
we cannot impair
you cannot impair
they cannot impair

V-ing form

I cannot be impairing
you cannot be impairing
he cannot be impairing
we cannot be impairing
you cannot be impairing
they cannot be impairing

Perfect

I cannot have impaired
you cannot have impaired
he cannot have impaired
we cannot have impaired
you cannot have impaired
they cannot have impaired

V-ing perfect

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

Interrogative form

Simple form

can I impair?
can you impair?
can he impair?
can we impair?
can you impair?
can they impair?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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