English verb conjugation MUST HELP

Regular verb: help - helped - helped


Affirmation

Simple form

I must help
you must help
he must help
we must help
you must help
they must help

V-ing form

I must be helping
you must be helping
he must be helping
we must be helping
you must be helping
they must be helping

Perfect

I must have helped
you must have helped
he must have helped
we must have helped
you must have helped
they must have helped

V-ing perfect

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

Negation

Simple form

I must not help
you must not help
he must not help
we must not help
you must not help
they must not help

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I help?
must you help?
must he help?
must we help?
must you help?
must they help?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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