must welch
Regular verb: welch - welched- welched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must welch
you must welch
he must welch
we must welch
you must welch
they must welch 	I must be welching
you must be welching
he must be welching
we must be welching
you must be welching
they must be welching	I must have welched
you must have welched
he must have welched
we must have welched
you must have welched
they must have welched	I must have been welching
you must have been welching
he must have been welching
we must have been welching
you must have been welching
they must have been welching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not welch
you must not welch
he must not welch
we must not welch
you must not welch
they must not welch 	I must not be welching
you must not be welching
he must not be welching
we must not be welching
you must not be welching
they must not be welching	I must not have welched
you must not have welched
he must not have welched
we must not have welched
you must not have welched
they must not have welched	I must not have been welching
you must not have been welching
he must not have been welching
we must not have been welching
you must not have been welching
they must not have been welching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I welch?
must you welch?
must he welch?
must we welch?
must you welch?
must they welch? 	must I be welching?
must you be welching?
must he be welching?
must we be welching?
must you be welching?
must they be welching? 	must I have welched?
must you have welched?
must he have welched?
must we have welched?
must you have welched?
must they have welched? 	must I have been welching?
must you have been welching?
must he have been welching?
must we have been welching?
must you have been welching?
must they have been welching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not welch?
must you not welch?
must he not welch?
must we not welch?
must you not welch?
must they not welch? 	must I not be welching?
must you not be welching?
must he not be welching?
must we not be welching?
must you not be welching?
must they not be welching? 	must I not have welched?
must you not have welched?
must he not have welched?
must we not have welched?
must you not have welched?
must they not have welched? 	must I not have been welching?
must you not have been welching?
must he not have been welching?
must we not have been welching?
must you not have been welching?
must they not have been welching?