English verb conjugation CAN DEMONSTRATE

Regular verb: demonstrate - demonstrated - demonstrated

Affirmation

Simple form

I can demonstrate
you can demonstrate
he can demonstrate
we can demonstrate
you can demonstrate
they can demonstrate

V-ing form

I can be demonstrating
you can be demonstrating
he can be demonstrating
we can be demonstrating
you can be demonstrating
they can be demonstrating

Perfect

I can have demonstrated
you can have demonstrated
he can have demonstrated
we can have demonstrated
you can have demonstrated
they can have demonstrated

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

can I demonstrate?
can you demonstrate?
can he demonstrate?
can we demonstrate?
can you demonstrate?
can they demonstrate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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