English verb conjugation COULD COMMENCE

Regular verb: commence - commenced - commenced

Affirmation

Simple form

I could commence
you could commence
he could commence
we could commence
you could commence
they could commence

V-ing form

I could be commencing
you could be commencing
he could be commencing
we could be commencing
you could be commencing
they could be commencing

Perfect

I could have commenced
you could have commenced
he 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
he 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
he 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
he 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
he 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
he 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 he commence?
could we commence?
could you commence?
could they commence?

V-ing form

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

Perfect

could I have commenced?
could you have commenced?
could he 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 he 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 he 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 he 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 he 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 he 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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