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female gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation COULD START

Regular verb: start - started - started


Affirmation

Simple form
I could start
you could start
he could start
we could start
you could start
they could start
V-ing form
I could be starting
you could be starting
he could be starting
we could be starting
you could be starting
they could be starting
Perfect
I could have started
you could have started
he could have started
we could have started
you could have started
they could have started
V-ing perfect
I could have been starting
you could have been starting
he could have been starting
we could have been starting
you could have been starting
they could have been starting

Negation

Simple form
I couldn't start
you couldn't start
he couldn't start
we couldn't start
you couldn't start
they couldn't start
V-ing form
I couldn't be starting
you couldn't be starting
he couldn't be starting
we couldn't be starting
you couldn't be starting
they couldn't be starting
Perfect
I couldn't have started
you couldn't have started
he couldn't have started
we couldn't have started
you couldn't have started
they couldn't have started
V-ing perfect
I couldn't have been starting
you couldn't have been starting
he couldn't have been starting
we couldn't have been starting
you couldn't have been starting
they couldn't have been starting

Interrogative form

Simple form
could I start?
could you start?
could he start?
could we start?
could you start?
could they start?
V-ing form
could I be starting?
could you be starting?
could he be starting?
could we be starting?
could you be starting?
could they be starting?
Perfect
could I have started?
could you have started?
could he have started?
could we have started?
could you have started?
could they have started?
V-ing perfect
could I have been starting?
could you have been starting?
could he have been starting?
could we have been starting?
could you have been starting?
could they have been starting?

Interro-negative form

Simple form
couldn't I start?
couldn't you start?
couldn't he start?
couldn't we start?
couldn't you start?
couldn't they start?
V-ing form
couldn't I be starting?
couldn't you be starting?
couldn't he be starting?
couldn't we be starting?
couldn't you be starting?
couldn't they be starting?
Perfect
couldn't I have started?
couldn't you have started?
couldn't he have started?
couldn't we have started?
couldn't you have started?
couldn't they have started?
V-ing perfect
couldn't I have been starting?
couldn't you have been starting?
couldn't he have been starting?
couldn't we have been starting?
couldn't you have been starting?
couldn't they have been starting?