must shallow shallow
Regular verb: shallow shallow - shallow shallowed- shallow shallowed

, this verb may not exist. Conjugation is given as example.

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must shallow shallow
you must shallow shallow
she must shallow shallow
we must shallow shallow
you must shallow shallow
they must shallow shallow 	I must be shallow shallowing
you must be shallow shallowing
she must be shallow shallowing
we must be shallow shallowing
you must be shallow shallowing
they must be shallow shallowing	I must have shallow shallowed
you must have shallow shallowed
she must have shallow shallowed
we must have shallow shallowed
you must have shallow shallowed
they must have shallow shallowed	I must have been shallow shallowing
you must have been shallow shallowing
she must have been shallow shallowing
we must have been shallow shallowing
you must have been shallow shallowing
they must have been shallow shallowing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't shallow shallow
you mustn't shallow shallow
she mustn't shallow shallow
we mustn't shallow shallow
you mustn't shallow shallow
they mustn't shallow shallow 	I mustn't be shallow shallowing
you mustn't be shallow shallowing
she mustn't be shallow shallowing
we mustn't be shallow shallowing
you mustn't be shallow shallowing
they mustn't be shallow shallowing	I mustn't have shallow shallowed
you mustn't have shallow shallowed
she mustn't have shallow shallowed
we mustn't have shallow shallowed
you mustn't have shallow shallowed
they mustn't have shallow shallowed	I mustn't have been shallow shallowing
you mustn't have been shallow shallowing
she mustn't have been shallow shallowing
we mustn't have been shallow shallowing
you mustn't have been shallow shallowing
they mustn't have been shallow shallowing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I shallow shallow?
must you shallow shallow?
must she shallow shallow?
must we shallow shallow?
must you shallow shallow?
must they shallow shallow? 	must I be shallow shallowing?
must you be shallow shallowing?
must she be shallow shallowing?
must we be shallow shallowing?
must you be shallow shallowing?
must they be shallow shallowing? 	must I have shallow shallowed?
must you have shallow shallowed?
must she have shallow shallowed?
must we have shallow shallowed?
must you have shallow shallowed?
must they have shallow shallowed? 	must I have been shallow shallowing?
must you have been shallow shallowing?
must she have been shallow shallowing?
must we have been shallow shallowing?
must you have been shallow shallowing?
must they have been shallow shallowing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I shallow shallow?
mustn't you shallow shallow?
mustn't she shallow shallow?
mustn't we shallow shallow?
mustn't you shallow shallow?
mustn't they shallow shallow? 	mustn't I be shallow shallowing?
mustn't you be shallow shallowing?
mustn't she be shallow shallowing?
mustn't we be shallow shallowing?
mustn't you be shallow shallowing?
mustn't they be shallow shallowing? 	mustn't I have shallow shallowed?
mustn't you have shallow shallowed?
mustn't she have shallow shallowed?
mustn't we have shallow shallowed?
mustn't you have shallow shallowed?
mustn't they have shallow shallowed? 	mustn't I have been shallow shallowing?
mustn't you have been shallow shallowing?
mustn't she have been shallow shallowing?
mustn't we have been shallow shallowing?
mustn't you have been shallow shallowing?
mustn't they have been shallow shallowing?