English verb conjugation CAN QUICKEN

Regular verb: quicken - quickened - quickened

Affirmation

Simple form

I can quicken
you can quicken
he can quicken
we can quicken
you can quicken
they can quicken

V-ing form

I can be quickening
you can be quickening
he can be quickening
we can be quickening
you can be quickening
they can be quickening

Perfect

I can have quickened
you can have quickened
he can have quickened
we can have quickened
you can have quickened
they can have quickened

V-ing perfect

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

Negation

Simple form

I cannot quicken
you cannot quicken
he cannot quicken
we cannot quicken
you cannot quicken
they cannot quicken

V-ing form

I cannot be quickening
you cannot be quickening
he cannot be quickening
we cannot be quickening
you cannot be quickening
they cannot be quickening

Perfect

I cannot have quickened
you cannot have quickened
he cannot have quickened
we cannot have quickened
you cannot have quickened
they cannot have quickened

V-ing perfect

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

Interrogative form

Simple form

can I quicken?
can you quicken?
can he quicken?
can we quicken?
can you quicken?
can they quicken?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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