English verb conjugation COULD INSTRUCT

Regular verb: instruct - instructed - instructed

Affirmation

Simple form

I could instruct
you could instruct
he could instruct
we could instruct
you could instruct
they could instruct

V-ing form

I could be instructing
you could be instructing
he could be instructing
we could be instructing
you could be instructing
they could be instructing

Perfect

I could have instructed
you could have instructed
he could have instructed
we could have instructed
you could have instructed
they could have instructed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I instruct?
could you instruct?
could he instruct?
could we instruct?
could you instruct?
could they instruct?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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