English verb conjugation COULD TEACH

Irregular verb: teach - taught - taught

Affirmation

Simple form

I could teach
you could teach
he could teach
we could teach
you could teach
they could teach

V-ing form

I could be teaching
you could be teaching
he could be teaching
we could be teaching
you could be teaching
they could be teaching

Perfect

I could have taught
you could have taught
he could have taught
we could have taught
you could have taught
they could have taught

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I teach?
could you teach?
could he teach?
could we teach?
could you teach?
could they teach?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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