English verb conjugation
MUST SHIP

Regular verb: ship - shipped - shipped

Affirmation

Simple form	V-ing form
I must ship you must ship he must ship we must ship you must ship they must ship	I must be shipping you must be shipping he must be shipping we must be shipping you must be shipping they must be shipping
Perfect	V-ing perfect
I must have shipped you must have shipped he must have shipped we must have shipped you must have shipped they must have shipped	I must have been shipping you must have been shipping he must have been shipping we must have been shipping you must have been shipping they must have been shipping

Negation

Simple form	V-ing form
I mustn't ship you mustn't ship he mustn't ship we mustn't ship you mustn't ship they mustn't ship	I mustn't be shipping you mustn't be shipping he mustn't be shipping we mustn't be shipping you mustn't be shipping they mustn't be shipping
Perfect	V-ing perfect
I mustn't have shipped you mustn't have shipped he mustn't have shipped we mustn't have shipped you mustn't have shipped they mustn't have shipped	I mustn't have been shipping you mustn't have been shipping he mustn't have been shipping we mustn't have been shipping you mustn't have been shipping they mustn't have been shipping

Interrogative form

Simple form	V-ing form
must I ship? must you ship? must he ship? must we ship? must you ship? must they ship?	must I be shipping? must you be shipping? must he be shipping? must we be shipping? must you be shipping? must they be shipping?
Perfect	V-ing perfect
must I have shipped? must you have shipped? must he have shipped? must we have shipped? must you have shipped? must they have shipped?	must I have been shipping? must you have been shipping? must he have been shipping? must we have been shipping? must you have been shipping? must they have been shipping?

Interro-negative form

Simple form	V-ing form
mustn't I ship? mustn't you ship? mustn't he ship? mustn't we ship? mustn't you ship? mustn't they ship?	mustn't I be shipping? mustn't you be shipping? mustn't he be shipping? mustn't we be shipping? mustn't you be shipping? mustn't they be shipping?
Perfect	V-ing perfect
mustn't I have shipped? mustn't you have shipped? mustn't he have shipped? mustn't we have shipped? mustn't you have shipped? mustn't they have shipped?	mustn't I have been shipping? mustn't you have been shipping? mustn't he have been shipping? mustn't we have been shipping? mustn't you have been shipping? mustn't they have been shipping?