English verb conjugation CAN DOUBLE

Regular verb: double - doubled - doubled

Affirmation

Simple form

I can double
you can double
he can double
we can double
you can double
they can double

V-ing form

I can be doubling
you can be doubling
he can be doubling
we can be doubling
you can be doubling
they can be doubling

Perfect

I can have doubled
you can have doubled
he can have doubled
we can have doubled
you can have doubled
they can have doubled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

can I double?
can you double?
can he double?
can we double?
can you double?
can they double?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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