must shank
Regular verb: shank - shanked- shanked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must shank
you must shank
she must shank
we must shank
you must shank
they must shank 	I must be shanking
you must be shanking
she must be shanking
we must be shanking
you must be shanking
they must be shanking	I must have shanked
you must have shanked
she must have shanked
we must have shanked
you must have shanked
they must have shanked	I must have been shanking
you must have been shanking
she must have been shanking
we must have been shanking
you must have been shanking
they must have been shanking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not shank
you must not shank
she must not shank
we must not shank
you must not shank
they must not shank 	I must not be shanking
you must not be shanking
she must not be shanking
we must not be shanking
you must not be shanking
they must not be shanking	I must not have shanked
you must not have shanked
she must not have shanked
we must not have shanked
you must not have shanked
they must not have shanked	I must not have been shanking
you must not have been shanking
she must not have been shanking
we must not have been shanking
you must not have been shanking
they must not have been shanking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I shank?
must you shank?
must she shank?
must we shank?
must you shank?
must they shank? 	must I be shanking?
must you be shanking?
must she be shanking?
must we be shanking?
must you be shanking?
must they be shanking? 	must I have shanked?
must you have shanked?
must she have shanked?
must we have shanked?
must you have shanked?
must they have shanked? 	must I have been shanking?
must you have been shanking?
must she have been shanking?
must we have been shanking?
must you have been shanking?
must they have been shanking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not shank?
must you not shank?
must she not shank?
must we not shank?
must you not shank?
must they not shank? 	must I not be shanking?
must you not be shanking?
must she not be shanking?
must we not be shanking?
must you not be shanking?
must they not be shanking? 	must I not have shanked?
must you not have shanked?
must she not have shanked?
must we not have shanked?
must you not have shanked?
must they not have shanked? 	must I not have been shanking?
must you not have been shanking?
must she not have been shanking?
must we not have been shanking?
must you not have been shanking?
must they not have been shanking?