English verb conjugation COULD SEEM

Regular verb: seem - seemed - seemed

Affirmation

Simple form

-
-
it could seem
-
-
-

V-ing form

-
-
it could be seeming
-
-
-

Perfect

-
-
it could have seemed
-
-
-

V-ing perfect

-
-
it could have been seeming
-
-
-

Simple form

-
-
it could not seem
-
-
-

V-ing form

-
-
it could not be seeming
-
-
-

Perfect

-
-
it could not have seemed
-
-
-

V-ing perfect

-
-
it could not have been seeming
-
-
-

Simple form

-
-
could it seem?
-
-
-

V-ing form

-
-
could it be seeming?
-
-
-

Perfect

-
-
could it have seemed?
-
-
-

V-ing perfect

-
-
could it have been seeming?
-
-
-

Simple form

-
-
could it not seem?
-
-
-

V-ing form

-
-
could it not be seeming?
-
-
-

Perfect

-
-
could it not have seemed?
-
-
-

V-ing perfect

-
-
could it not have been seeming?
-
-
-