English verb conjugation COULD NAG

Regular verb: nag - nagged - nagged

Affirmation

Simple form

I could nag
you could nag
he could nag
we could nag
you could nag
they could nag

V-ing form

I could be nagging
you could be nagging
he could be nagging
we could be nagging
you could be nagging
they could be nagging

Perfect

I could have nagged
you could have nagged
he could have nagged
we could have nagged
you could have nagged
they could have nagged

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I nag?
could you nag?
could he nag?
could we nag?
could you nag?
could they nag?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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