English verb conjugation CAN THUMBTACK

Regular verb: thumbtack - thumbtacked - thumbtacked

Affirmation

Simple form

I can thumbtack
you can thumbtack
she can thumbtack
we can thumbtack
you can thumbtack
they can thumbtack

V-ing form

I can be thumbtacking
you can be thumbtacking
she can be thumbtacking
we can be thumbtacking
you can be thumbtacking
they can be thumbtacking

Perfect

I can have thumbtacked
you can have thumbtacked
she can have thumbtacked
we can have thumbtacked
you can have thumbtacked
they can have thumbtacked

V-ing perfect

I can have been thumbtacking
you can have been thumbtacking
she can have been thumbtacking
we can have been thumbtacking
you can have been thumbtacking
they can have been thumbtacking

Negation

Simple form

I can't thumbtack
you can't thumbtack
she can't thumbtack
we can't thumbtack
you can't thumbtack
they can't thumbtack

V-ing form

I can't be thumbtacking
you can't be thumbtacking
she can't be thumbtacking
we can't be thumbtacking
you can't be thumbtacking
they can't be thumbtacking

Perfect

I can't have thumbtacked
you can't have thumbtacked
she can't have thumbtacked
we can't have thumbtacked
you can't have thumbtacked
they can't have thumbtacked

V-ing perfect

I can't have been thumbtacking
you can't have been thumbtacking
she can't have been thumbtacking
we can't have been thumbtacking
you can't have been thumbtacking
they can't have been thumbtacking

Interrogative form

Simple form

can I thumbtack?
can you thumbtack?
can she thumbtack?
can we thumbtack?
can you thumbtack?
can they thumbtack?

V-ing form

can I be thumbtacking?
can you be thumbtacking?
can she be thumbtacking?
can we be thumbtacking?
can you be thumbtacking?
can they be thumbtacking?

Perfect

can I have thumbtacked?
can you have thumbtacked?
can she have thumbtacked?
can we have thumbtacked?
can you have thumbtacked?
can they have thumbtacked?

V-ing perfect

can I have been thumbtacking?
can you have been thumbtacking?
can she have been thumbtacking?
can we have been thumbtacking?
can you have been thumbtacking?
can they have been thumbtacking?

Interro-negative form

Simple form

can't I thumbtack?
can't you thumbtack?
can't she thumbtack?
can't we thumbtack?
can't you thumbtack?
can't they thumbtack?

V-ing form

can't I be thumbtacking?
can't you be thumbtacking?
can't she be thumbtacking?
can't we be thumbtacking?
can't you be thumbtacking?
can't they be thumbtacking?

Perfect

can't I have thumbtacked?
can't you have thumbtacked?
can't she have thumbtacked?
can't we have thumbtacked?
can't you have thumbtacked?
can't they have thumbtacked?

V-ing perfect

can't I have been thumbtacking?
can't you have been thumbtacking?
can't she have been thumbtacking?
can't we have been thumbtacking?
can't you have been thumbtacking?
can't they have been thumbtacking?

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