English verb conjugation
MUST SNUB

Regular verb: snub - snubbed - snubbed

Affirmation

Simple form	V-ing form
I must snub you must snub he must snub we must snub you must snub they must snub	I must be snubbing you must be snubbing he must be snubbing we must be snubbing you must be snubbing they must be snubbing
Perfect	V-ing perfect
I must have snubbed you must have snubbed he must have snubbed we must have snubbed you must have snubbed they must have snubbed	I must have been snubbing you must have been snubbing he must have been snubbing we must have been snubbing you must have been snubbing they must have been snubbing

Negation

Simple form	V-ing form
I mustn't snub you mustn't snub he mustn't snub we mustn't snub you mustn't snub they mustn't snub	I mustn't be snubbing you mustn't be snubbing he mustn't be snubbing we mustn't be snubbing you mustn't be snubbing they mustn't be snubbing
Perfect	V-ing perfect
I mustn't have snubbed you mustn't have snubbed he mustn't have snubbed we mustn't have snubbed you mustn't have snubbed they mustn't have snubbed	I mustn't have been snubbing you mustn't have been snubbing he mustn't have been snubbing we mustn't have been snubbing you mustn't have been snubbing they mustn't have been snubbing

Interrogative form

Simple form	V-ing form
must I snub? must you snub? must he snub? must we snub? must you snub? must they snub?	must I be snubbing? must you be snubbing? must he be snubbing? must we be snubbing? must you be snubbing? must they be snubbing?
Perfect	V-ing perfect
must I have snubbed? must you have snubbed? must he have snubbed? must we have snubbed? must you have snubbed? must they have snubbed?	must I have been snubbing? must you have been snubbing? must he have been snubbing? must we have been snubbing? must you have been snubbing? must they have been snubbing?

Interro-negative form

Simple form	V-ing form
mustn't I snub? mustn't you snub? mustn't he snub? mustn't we snub? mustn't you snub? mustn't they snub?	mustn't I be snubbing? mustn't you be snubbing? mustn't he be snubbing? mustn't we be snubbing? mustn't you be snubbing? mustn't they be snubbing?
Perfect	V-ing perfect
mustn't I have snubbed? mustn't you have snubbed? mustn't he have snubbed? mustn't we have snubbed? mustn't you have snubbed? mustn't they have snubbed?	mustn't I have been snubbing? mustn't you have been snubbing? mustn't he have been snubbing? mustn't we have been snubbing? mustn't you have been snubbing? mustn't they have been snubbing?