must squinch
Regular verb: squinch - squinched- squinched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must squinch
you must squinch
she must squinch
we must squinch
you must squinch
they must squinch 	I must be squinching
you must be squinching
she must be squinching
we must be squinching
you must be squinching
they must be squinching	I must have squinched
you must have squinched
she must have squinched
we must have squinched
you must have squinched
they must have squinched	I must have been squinching
you must have been squinching
she must have been squinching
we must have been squinching
you must have been squinching
they must have been squinching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not squinch
you must not squinch
she must not squinch
we must not squinch
you must not squinch
they must not squinch 	I must not be squinching
you must not be squinching
she must not be squinching
we must not be squinching
you must not be squinching
they must not be squinching	I must not have squinched
you must not have squinched
she must not have squinched
we must not have squinched
you must not have squinched
they must not have squinched	I must not have been squinching
you must not have been squinching
she must not have been squinching
we must not have been squinching
you must not have been squinching
they must not have been squinching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I squinch?
must you squinch?
must she squinch?
must we squinch?
must you squinch?
must they squinch? 	must I be squinching?
must you be squinching?
must she be squinching?
must we be squinching?
must you be squinching?
must they be squinching? 	must I have squinched?
must you have squinched?
must she have squinched?
must we have squinched?
must you have squinched?
must they have squinched? 	must I have been squinching?
must you have been squinching?
must she have been squinching?
must we have been squinching?
must you have been squinching?
must they have been squinching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not squinch?
must you not squinch?
must she not squinch?
must we not squinch?
must you not squinch?
must they not squinch? 	must I not be squinching?
must you not be squinching?
must she not be squinching?
must we not be squinching?
must you not be squinching?
must they not be squinching? 	must I not have squinched?
must you not have squinched?
must she not have squinched?
must we not have squinched?
must you not have squinched?
must they not have squinched? 	must I not have been squinching?
must you not have been squinching?
must she not have been squinching?
must we not have been squinching?
must you not have been squinching?
must they not have been squinching?