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 cannot double
you cannot double
he cannot double
we cannot double
you cannot double
they cannot double

V-ing form

I cannot be doubling
you cannot be doubling
he cannot be doubling
we cannot be doubling
you cannot be doubling
they cannot be doubling

Perfect

I cannot have doubled
you cannot have doubled
he cannot have doubled
we cannot have doubled
you cannot have doubled
they cannot have doubled

V-ing perfect

I cannot have been doubling
you cannot have been doubling
he cannot have been doubling
we cannot have been doubling
you cannot have been doubling
they cannot 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 I not double?
can you not double?
can he not double?
can we not double?
can you not double?
can they not double?

V-ing form

can I not be doubling?
can you not be doubling?
can he not be doubling?
can we not be doubling?
can you not be doubling?
can they not be doubling?

Perfect

can I not have doubled?
can you not have doubled?
can he not have doubled?
can we not have doubled?
can you not have doubled?
can they not have doubled?

V-ing perfect

can I not have been doubling?
can you not have been doubling?
can he not have been doubling?
can we not have been doubling?
can you not have been doubling?
can they not have been doubling?

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