Regular verb: drift down - drift downed - drift downed
Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I must drift down you must drift down she must drift down we must drift down you must drift down they must drift down
V-ing form
I must be drift downing you must be drift downing she must be drift downing we must be drift downing you must be drift downing they must be drift downing
Perfect
I must have drift downed you must have drift downed she must have drift downed we must have drift downed you must have drift downed they must have drift downed
V-ing perfect
I must have been drift downing you must have been drift downing she must have been drift downing we must have been drift downing you must have been drift downing they must have been drift downing
Negation
Simple form
I must not drift down you must not drift down she must not drift down we must not drift down you must not drift down they must not drift down
V-ing form
I must not be drift downing you must not be drift downing she must not be drift downing we must not be drift downing you must not be drift downing they must not be drift downing
Perfect
I must not have drift downed you must not have drift downed she must not have drift downed we must not have drift downed you must not have drift downed they must not have drift downed
V-ing perfect
I must not have been drift downing you must not have been drift downing she must not have been drift downing we must not have been drift downing you must not have been drift downing they must not have been drift downing
Interrogative form
Simple form
must I drift down? must you drift down? must she drift down? must we drift down? must you drift down? must they drift down?
V-ing form
must I be drift downing? must you be drift downing? must she be drift downing? must we be drift downing? must you be drift downing? must they be drift downing?
Perfect
must I have drift downed? must you have drift downed? must she have drift downed? must we have drift downed? must you have drift downed? must they have drift downed?
V-ing perfect
must I have been drift downing? must you have been drift downing? must she have been drift downing? must we have been drift downing? must you have been drift downing? must they have been drift downing?
Interro-negative form
Simple form
must I not drift down? must you not drift down? must she not drift down? must we not drift down? must you not drift down? must they not drift down?
V-ing form
must I not be drift downing? must you not be drift downing? must she not be drift downing? must we not be drift downing? must you not be drift downing? must they not be drift downing?
Perfect
must I not have drift downed? must you not have drift downed? must she not have drift downed? must we not have drift downed? must you not have drift downed? must they not have drift downed?
V-ing perfect
must I not have been drift downing? must you not have been drift downing? must she not have been drift downing? must we not have been drift downing? must you not have been drift downing? must they not have been drift downing?