English verb conjugation MUST SOB

Regular verb: sob - sobbed - sobbed

Affirmation

Simple form

I must sob
you must sob
he must sob
we must sob
you must sob
they must sob

V-ing form

I must be sobbing
you must be sobbing
he must be sobbing
we must be sobbing
you must be sobbing
they must be sobbing

Perfect

I must have sobbed
you must have sobbed
he must have sobbed
we must have sobbed
you must have sobbed
they must have sobbed

V-ing perfect

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

Negation

Simple form

I must not sob
you must not sob
he must not sob
we must not sob
you must not sob
they must not sob

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I sob?
must you sob?
must he sob?
must we sob?
must you sob?
must they sob?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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