English verb conjugation COULD COMMENCE

Regular verb: commence - commenced - commenced

Affirmation

Simple form

I could commence
you could commence
she could commence
we could commence
you could commence
they could commence

V-ing form

I could be commencing
you could be commencing
she could be commencing
we could be commencing
you could be commencing
they could be commencing

Perfect

I could have commenced
you could have commenced
she could have commenced
we could have commenced
you could have commenced
they could have commenced

V-ing perfect

I could have been commencing
you could have been commencing
she could have been commencing
we could have been commencing
you could have been commencing
they could have been commencing

Negation

Simple form

I couldn't commence
you couldn't commence
she couldn't commence
we couldn't commence
you couldn't commence
they couldn't commence

V-ing form

I couldn't be commencing
you couldn't be commencing
she couldn't be commencing
we couldn't be commencing
you couldn't be commencing
they couldn't be commencing

Perfect

I couldn't have commenced
you couldn't have commenced
she couldn't have commenced
we couldn't have commenced
you couldn't have commenced
they couldn't have commenced

V-ing perfect

I couldn't have been commencing
you couldn't have been commencing
she couldn't have been commencing
we couldn't have been commencing
you couldn't have been commencing
they couldn't have been commencing

Interrogative form

Simple form

could I commence?
could you commence?
could she commence?
could we commence?
could you commence?
could they commence?

V-ing form

could I be commencing?
could you be commencing?
could she be commencing?
could we be commencing?
could you be commencing?
could they be commencing?

Perfect

could I have commenced?
could you have commenced?
could she have commenced?
could we have commenced?
could you have commenced?
could they have commenced?

V-ing perfect

could I have been commencing?
could you have been commencing?
could she have been commencing?
could we have been commencing?
could you have been commencing?
could they have been commencing?

Interro-negative form

Simple form

couldn't I commence?
couldn't you commence?
couldn't she commence?
couldn't we commence?
couldn't you commence?
couldn't they commence?

V-ing form

couldn't I be commencing?
couldn't you be commencing?
couldn't she be commencing?
couldn't we be commencing?
couldn't you be commencing?
couldn't they be commencing?

Perfect

couldn't I have commenced?
couldn't you have commenced?
couldn't she have commenced?
couldn't we have commenced?
couldn't you have commenced?
couldn't they have commenced?

V-ing perfect

couldn't I have been commencing?
couldn't you have been commencing?
couldn't she have been commencing?
couldn't we have been commencing?
couldn't you have been commencing?
couldn't they have been commencing?

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