English verb conjugation CAN GUM

Regular verb: gum - gummed - gummed

Affirmation

Simple form

I can gum
you can gum
he can gum
we can gum
you can gum
they can gum

V-ing form

I can be gumming
you can be gumming
he can be gumming
we can be gumming
you can be gumming
they can be gumming

Perfect

I can have gummed
you can have gummed
he can have gummed
we can have gummed
you can have gummed
they can have gummed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

can I gum?
can you gum?
can he gum?
can we gum?
can you gum?
can they gum?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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