English verb conjugation CAN STRENGTHEN

Regular verb: strengthen - strengthened - strengthened

Affirmation

Simple form

I can strengthen
you can strengthen
she can strengthen
we can strengthen
you can strengthen
they can strengthen

V-ing form

I can be strengthening
you can be strengthening
she can be strengthening
we can be strengthening
you can be strengthening
they can be strengthening

Perfect

I can have strengthened
you can have strengthened
she can have strengthened
we can have strengthened
you can have strengthened
they can have strengthened

V-ing perfect

I can have been strengthening
you can have been strengthening
she can have been strengthening
we can have been strengthening
you can have been strengthening
they can have been strengthening

Negation

Simple form

I can't strengthen
you can't strengthen
she can't strengthen
we can't strengthen
you can't strengthen
they can't strengthen

V-ing form

I can't be strengthening
you can't be strengthening
she can't be strengthening
we can't be strengthening
you can't be strengthening
they can't be strengthening

Perfect

I can't have strengthened
you can't have strengthened
she can't have strengthened
we can't have strengthened
you can't have strengthened
they can't have strengthened

V-ing perfect

I can't have been strengthening
you can't have been strengthening
she can't have been strengthening
we can't have been strengthening
you can't have been strengthening
they can't have been strengthening

Interrogative form

Simple form

can I strengthen?
can you strengthen?
can she strengthen?
can we strengthen?
can you strengthen?
can they strengthen?

V-ing form

can I be strengthening?
can you be strengthening?
can she be strengthening?
can we be strengthening?
can you be strengthening?
can they be strengthening?

Perfect

can I have strengthened?
can you have strengthened?
can she have strengthened?
can we have strengthened?
can you have strengthened?
can they have strengthened?

V-ing perfect

can I have been strengthening?
can you have been strengthening?
can she have been strengthening?
can we have been strengthening?
can you have been strengthening?
can they have been strengthening?

Interro-negative form

Simple form

can't I strengthen?
can't you strengthen?
can't she strengthen?
can't we strengthen?
can't you strengthen?
can't they strengthen?

V-ing form

can't I be strengthening?
can't you be strengthening?
can't she be strengthening?
can't we be strengthening?
can't you be strengthening?
can't they be strengthening?

Perfect

can't I have strengthened?
can't you have strengthened?
can't she have strengthened?
can't we have strengthened?
can't you have strengthened?
can't they have strengthened?

V-ing perfect

can't I have been strengthening?
can't you have been strengthening?
can't she have been strengthening?
can't we have been strengthening?
can't you have been strengthening?
can't they have been strengthening?

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