English verb conjugation COULD INSTIGATE

Regular verb: instigate - instigated - instigated

Affirmation

Simple form

I could instigate
you could instigate
he could instigate
we could instigate
you could instigate
they could instigate

V-ing form

I could be instigating
you could be instigating
he could be instigating
we could be instigating
you could be instigating
they could be instigating

Perfect

I could have instigated
you could have instigated
he could have instigated
we could have instigated
you could have instigated
they could have instigated

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I instigate?
could you instigate?
could he instigate?
could we instigate?
could you instigate?
could they instigate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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