English verb conjugation CAN RETAIN

Regular verb: retain - retained - retained

Affirmation

Simple form

I can retain
you can retain
he can retain
we can retain
you can retain
they can retain

V-ing form

I can be retaining
you can be retaining
he can be retaining
we can be retaining
you can be retaining
they can be retaining

Perfect

I can have retained
you can have retained
he can have retained
we can have retained
you can have retained
they can have retained

V-ing perfect

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

Negation

Simple form

I cannot retain
you cannot retain
he cannot retain
we cannot retain
you cannot retain
they cannot retain

V-ing form

I cannot be retaining
you cannot be retaining
he cannot be retaining
we cannot be retaining
you cannot be retaining
they cannot be retaining

Perfect

I cannot have retained
you cannot have retained
he cannot have retained
we cannot have retained
you cannot have retained
they cannot have retained

V-ing perfect

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

Interrogative form

Simple form

can I retain?
can you retain?
can he retain?
can we retain?
can you retain?
can they retain?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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