English verb conjugation CAN PROLONG

Regular verb: prolong - prolonged - prolonged

Affirmation

Simple form

I can prolong
you can prolong
he can prolong
we can prolong
you can prolong
they can prolong

V-ing form

I can be prolonging
you can be prolonging
he can be prolonging
we can be prolonging
you can be prolonging
they can be prolonging

Perfect

I can have prolonged
you can have prolonged
he can have prolonged
we can have prolonged
you can have prolonged
they can have prolonged

V-ing perfect

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

Negation

Simple form

I cannot prolong
you cannot prolong
he cannot prolong
we cannot prolong
you cannot prolong
they cannot prolong

V-ing form

I cannot be prolonging
you cannot be prolonging
he cannot be prolonging
we cannot be prolonging
you cannot be prolonging
they cannot be prolonging

Perfect

I cannot have prolonged
you cannot have prolonged
he cannot have prolonged
we cannot have prolonged
you cannot have prolonged
they cannot have prolonged

V-ing perfect

I cannot have been prolonging
you cannot have been prolonging
he cannot have been prolonging
we cannot have been prolonging
you cannot have been prolonging
they cannot have been prolonging

Interrogative form

Simple form

can I prolong?
can you prolong?
can he prolong?
can we prolong?
can you prolong?
can they prolong?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

can I not prolong?
can you not prolong?
can he not prolong?
can we not prolong?
can you not prolong?
can they not prolong?

V-ing form

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

Perfect

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

V-ing perfect

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

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