English verb conjugation COULD DOCTOR

Regular verb: doctor - doctored - doctored

Affirmation

Simple form

I could doctor
you could doctor
he could doctor
we could doctor
you could doctor
they could doctor

V-ing form

I could be doctoring
you could be doctoring
he could be doctoring
we could be doctoring
you could be doctoring
they could be doctoring

Perfect

I could have doctored
you could have doctored
he could have doctored
we could have doctored
you could have doctored
they could have doctored

V-ing perfect

I could have been doctoring
you could have been doctoring
he could have been doctoring
we could have been doctoring
you could have been doctoring
they could have been doctoring

Negation

Simple form

I couldn't doctor
you couldn't doctor
he couldn't doctor
we couldn't doctor
you couldn't doctor
they couldn't doctor

V-ing form

I couldn't be doctoring
you couldn't be doctoring
he couldn't be doctoring
we couldn't be doctoring
you couldn't be doctoring
they couldn't be doctoring

Perfect

I couldn't have doctored
you couldn't have doctored
he couldn't have doctored
we couldn't have doctored
you couldn't have doctored
they couldn't have doctored

V-ing perfect

I couldn't have been doctoring
you couldn't have been doctoring
he couldn't have been doctoring
we couldn't have been doctoring
you couldn't have been doctoring
they couldn't have been doctoring

Interrogative form

Simple form

could I doctor?
could you doctor?
could he doctor?
could we doctor?
could you doctor?
could they doctor?

V-ing form

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

Perfect

could I have doctored?
could you have doctored?
could he have doctored?
could we have doctored?
could you have doctored?
could they have doctored?

V-ing perfect

could I have been doctoring?
could you have been doctoring?
could he have been doctoring?
could we have been doctoring?
could you have been doctoring?
could they have been doctoring?

Interro-negative form

Simple form

couldn't I doctor?
couldn't you doctor?
couldn't he doctor?
couldn't we doctor?
couldn't you doctor?
couldn't they doctor?

V-ing form

couldn't I be doctoring?
couldn't you be doctoring?
couldn't he be doctoring?
couldn't we be doctoring?
couldn't you be doctoring?
couldn't they be doctoring?

Perfect

couldn't I have doctored?
couldn't you have doctored?
couldn't he have doctored?
couldn't we have doctored?
couldn't you have doctored?
couldn't they have doctored?

V-ing perfect

couldn't I have been doctoring?
couldn't you have been doctoring?
couldn't he have been doctoring?
couldn't we have been doctoring?
couldn't you have been doctoring?
couldn't they have been doctoring?

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