English verb conjugation MUST CERTIFICATE

Regular verb: certificate - certificated - certificated

Affirmation

Simple form

I must certificate
you must certificate
he must certificate
we must certificate
you must certificate
they must certificate

V-ing form

I must be certificating
you must be certificating
he must be certificating
we must be certificating
you must be certificating
they must be certificating

Perfect

I must have certificated
you must have certificated
he must have certificated
we must have certificated
you must have certificated
they must have certificated

V-ing perfect

I must have been certificating
you must have been certificating
he must have been certificating
we must have been certificating
you must have been certificating
they must have been certificating

Negation

Simple form

I must not certificate
you must not certificate
he must not certificate
we must not certificate
you must not certificate
they must not certificate

V-ing form

I must not be certificating
you must not be certificating
he must not be certificating
we must not be certificating
you must not be certificating
they must not be certificating

Perfect

I must not have certificated
you must not have certificated
he must not have certificated
we must not have certificated
you must not have certificated
they must not have certificated

V-ing perfect

I must not have been certificating
you must not have been certificating
he must not have been certificating
we must not have been certificating
you must not have been certificating
they must not have been certificating

Interrogative form

Simple form

must I certificate?
must you certificate?
must he certificate?
must we certificate?
must you certificate?
must they certificate?

V-ing form

must I be certificating?
must you be certificating?
must he be certificating?
must we be certificating?
must you be certificating?
must they be certificating?

Perfect

must I have certificated?
must you have certificated?
must he have certificated?
must we have certificated?
must you have certificated?
must they have certificated?

V-ing perfect

must I have been certificating?
must you have been certificating?
must he have been certificating?
must we have been certificating?
must you have been certificating?
must they have been certificating?

Interro-negative form

Simple form

must I not certificate?
must you not certificate?
must he not certificate?
must we not certificate?
must you not certificate?
must they not certificate?

V-ing form

must I not be certificating?
must you not be certificating?
must he not be certificating?
must we not be certificating?
must you not be certificating?
must they not be certificating?

Perfect

must I not have certificated?
must you not have certificated?
must he not have certificated?
must we not have certificated?
must you not have certificated?
must they not have certificated?

V-ing perfect

must I not have been certificating?
must you not have been certificating?
must he not have been certificating?
must we not have been certificating?
must you not have been certificating?
must they not have been certificating?

Page top