English verb conjugation MUST CURB

Regular verb: curb - curbed - curbed


Affirmation

Simple form

I must curb
you must curb
he must curb
we must curb
you must curb
they must curb

V-ing form

I must be curbing
you must be curbing
he must be curbing
we must be curbing
you must be curbing
they must be curbing

Perfect

I must have curbed
you must have curbed
he must have curbed
we must have curbed
you must have curbed
they must have curbed

V-ing perfect

I must have been curbing
you must have been curbing
he must have been curbing
we must have been curbing
you must have been curbing
they must have been curbing

Negation

Simple form

I must not curb
you must not curb
he must not curb
we must not curb
you must not curb
they must not curb

V-ing form

I must not be curbing
you must not be curbing
he must not be curbing
we must not be curbing
you must not be curbing
they must not be curbing

Perfect

I must not have curbed
you must not have curbed
he must not have curbed
we must not have curbed
you must not have curbed
they must not have curbed

V-ing perfect

I must not have been curbing
you must not have been curbing
he must not have been curbing
we must not have been curbing
you must not have been curbing
they must not have been curbing

Interrogative form

Simple form

must I curb?
must you curb?
must he curb?
must we curb?
must you curb?
must they curb?

V-ing form

must I be curbing?
must you be curbing?
must he be curbing?
must we be curbing?
must you be curbing?
must they be curbing?

Perfect

must I have curbed?
must you have curbed?
must he have curbed?
must we have curbed?
must you have curbed?
must they have curbed?

V-ing perfect

must I have been curbing?
must you have been curbing?
must he have been curbing?
must we have been curbing?
must you have been curbing?
must they have been curbing?

Interro-negative form

Simple form

must I not curb?
must you not curb?
must he not curb?
must we not curb?
must you not curb?
must they not curb?

V-ing form

must I not be curbing?
must you not be curbing?
must he not be curbing?
must we not be curbing?
must you not be curbing?
must they not be curbing?

Perfect

must I not have curbed?
must you not have curbed?
must he not have curbed?
must we not have curbed?
must you not have curbed?
must they not have curbed?

V-ing perfect

must I not have been curbing?
must you not have been curbing?
must he not have been curbing?
must we not have been curbing?
must you not have been curbing?
must they not have been curbing?