English verb conjugation
MUST SHALLOW

Regular verb: shallow - shallowed - shallowed

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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