English verb conjugation CAN STAPLE

Regular verb: staple - stapled - stapled

Affirmation

Simple form

I can staple
you can staple
he can staple
we can staple
you can staple
they can staple

V-ing form

I can be stapling
you can be stapling
he can be stapling
we can be stapling
you can be stapling
they can be stapling

Perfect

I can have stapled
you can have stapled
he can have stapled
we can have stapled
you can have stapled
they can have stapled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

can I staple?
can you staple?
can he staple?
can we staple?
can you staple?
can they staple?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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