English verb conjugation COULD TROUBLE

Regular verb: trouble - troubled - troubled

Affirmation

Simple form

I could trouble
you could trouble
he could trouble
we could trouble
you could trouble
they could trouble

V-ing form

I could be troubling
you could be troubling
he could be troubling
we could be troubling
you could be troubling
they could be troubling

Perfect

I could have troubled
you could have troubled
he could have troubled
we could have troubled
you could have troubled
they could have troubled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I trouble?
could you trouble?
could he trouble?
could we trouble?
could you trouble?
could they trouble?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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