Conjugaison du verbe anglais COULD FORGET

I could forget
you could forget
he could forget
we could forget
you could forget
they could forget

I could be forgetting
you could be forgetting
he could be forgetting
we could be forgetting
you could be forgetting
they could be forgetting

I could have forgotten
you could have forgotten
he could have forgotten
we could have forgotten
you could have forgotten
they could have forgotten

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

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

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

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

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

could I forget?
could you forget?
could he forget?
could we forget?
could you forget?
could they forget?

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

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

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

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

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

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

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