English verb conjugation
COULD DRIFT DOWN

Regular verb: drift down - drift downed - drift downed

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I could drift down you could drift down he could drift down we could drift down you could drift down they could drift down	I could be drift downing you could be drift downing he could be drift downing we could be drift downing you could be drift downing they could be drift downing
Perfect	V-ing perfect
I could have drift downed you could have drift downed he could have drift downed we could have drift downed you could have drift downed they could have drift downed	I could have been drift downing you could have been drift downing he could have been drift downing we could have been drift downing you could have been drift downing they could have been drift downing

Negation

Simple form	V-ing form
I could not drift down you could not drift down he could not drift down we could not drift down you could not drift down they could not drift down	I could not be drift downing you could not be drift downing he could not be drift downing we could not be drift downing you could not be drift downing they could not be drift downing
Perfect	V-ing perfect
I could not have drift downed you could not have drift downed he could not have drift downed we could not have drift downed you could not have drift downed they could not have drift downed	I could not have been drift downing you could not have been drift downing he could not have been drift downing we could not have been drift downing you could not have been drift downing they could not have been drift downing

Interrogative form

Simple form	V-ing form
could I drift down? could you drift down? could he drift down? could we drift down? could you drift down? could they drift down?	could I be drift downing? could you be drift downing? could he be drift downing? could we be drift downing? could you be drift downing? could they be drift downing?
Perfect	V-ing perfect
could I have drift downed? could you have drift downed? could he have drift downed? could we have drift downed? could you have drift downed? could they have drift downed?	could I have been drift downing? could you have been drift downing? could he have been drift downing? could we have been drift downing? could you have been drift downing? could they have been drift downing?

Interro-negative form

Simple form	V-ing form
could I not drift down? could you not drift down? could he not drift down? could we not drift down? could you not drift down? could they not drift down?	could I not be drift downing? could you not be drift downing? could he not be drift downing? could we not be drift downing? could you not be drift downing? could they not be drift downing?
Perfect	V-ing perfect
could I not have drift downed? could you not have drift downed? could he not have drift downed? could we not have drift downed? could you not have drift downed? could they not have drift downed?	could I not have been drift downing? could you not have been drift downing? could he not have been drift downing? could we not have been drift downing? could you not have been drift downing? could they not have been drift downing?