English verb conjugation CAN CERTIFICATE

Regular verb: certificate - certificated - certificated

Affirmation

Simple form

I can certificate
you can certificate
she can certificate
we can certificate
you can certificate
they can certificate

V-ing form

I can be certificating
you can be certificating
she can be certificating
we can be certificating
you can be certificating
they can be certificating

Perfect

I can have certificated
you can have certificated
she can have certificated
we can have certificated
you can have certificated
they can have certificated

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

can I certificate?
can you certificate?
can she certificate?
can we certificate?
can you certificate?
can they certificate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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