English verb conjugation
MUST WELCOME

Regular verb: welcome - welcomed - welcomed

Affirmation

Simple form	V-ing form
I must welcome you must welcome he must welcome we must welcome you must welcome they must welcome	I must be welcoming you must be welcoming he must be welcoming we must be welcoming you must be welcoming they must be welcoming
Perfect	V-ing perfect
I must have welcomed you must have welcomed he must have welcomed we must have welcomed you must have welcomed they must have welcomed	I must have been welcoming you must have been welcoming he must have been welcoming we must have been welcoming you must have been welcoming they must have been welcoming

Negation

Simple form	V-ing form
I must not welcome you must not welcome he must not welcome we must not welcome you must not welcome they must not welcome	I must not be welcoming you must not be welcoming he must not be welcoming we must not be welcoming you must not be welcoming they must not be welcoming
Perfect	V-ing perfect
I must not have welcomed you must not have welcomed he must not have welcomed we must not have welcomed you must not have welcomed they must not have welcomed	I must not have been welcoming you must not have been welcoming he must not have been welcoming we must not have been welcoming you must not have been welcoming they must not have been welcoming

Interrogative form

Simple form	V-ing form
must I welcome? must you welcome? must he welcome? must we welcome? must you welcome? must they welcome?	must I be welcoming? must you be welcoming? must he be welcoming? must we be welcoming? must you be welcoming? must they be welcoming?
Perfect	V-ing perfect
must I have welcomed? must you have welcomed? must he have welcomed? must we have welcomed? must you have welcomed? must they have welcomed?	must I have been welcoming? must you have been welcoming? must he have been welcoming? must we have been welcoming? must you have been welcoming? must they have been welcoming?

Interro-negative form

Simple form	V-ing form
must I not welcome? must you not welcome? must he not welcome? must we not welcome? must you not welcome? must they not welcome?	must I not be welcoming? must you not be welcoming? must he not be welcoming? must we not be welcoming? must you not be welcoming? must they not be welcoming?
Perfect	V-ing perfect
must I not have welcomed? must you not have welcomed? must he not have welcomed? must we not have welcomed? must you not have welcomed? must they not have welcomed?	must I not have been welcoming? must you not have been welcoming? must he not have been welcoming? must we not have been welcoming? must you not have been welcoming? must they not have been welcoming?