English verb conjugation MUST RAIN

Regular verb: rain - rained - rained


Affirmation

Simple form

-
-
it must rain
-
-
-

V-ing form

-
-
it must be raining
-
-
-

Perfect

-
-
it must have rained
-
-
-

V-ing perfect

-
-
it must have been raining
-
-
-

Negation

Simple form

-
-
it must not rain
-
-
-

V-ing form

-
-
it must not be raining
-
-
-

Perfect

-
-
it must not have rained
-
-
-

V-ing perfect

-
-
it must not have been raining
-
-
-

Interrogative form

Simple form

-
-
must it rain?
-
-
-

V-ing form

-
-
must it be raining?
-
-
-

Perfect

-
-
must it have rained?
-
-
-

V-ing perfect

-
-
must it have been raining?
-
-
-

Interro-negative form

Simple form

-
-
must it not rain?
-
-
-

V-ing form

-
-
must it not be raining?
-
-
-

Perfect

-
-
must it not have rained?
-
-
-

V-ing perfect

-
-
must it not have been raining?
-
-
-