English verb conjugation
MUST SQUIB

Regular verb: squib - squibed - squibed

Affirmation

Simple form	V-ing form
I must squib you must squib he must squib we must squib you must squib they must squib	I must be squibing you must be squibing he must be squibing we must be squibing you must be squibing they must be squibing
Perfect	V-ing perfect
I must have squibed you must have squibed he must have squibed we must have squibed you must have squibed they must have squibed	I must have been squibing you must have been squibing he must have been squibing we must have been squibing you must have been squibing they must have been squibing

Negation

Simple form	V-ing form
I mustn't squib you mustn't squib he mustn't squib we mustn't squib you mustn't squib they mustn't squib	I mustn't be squibing you mustn't be squibing he mustn't be squibing we mustn't be squibing you mustn't be squibing they mustn't be squibing
Perfect	V-ing perfect
I mustn't have squibed you mustn't have squibed he mustn't have squibed we mustn't have squibed you mustn't have squibed they mustn't have squibed	I mustn't have been squibing you mustn't have been squibing he mustn't have been squibing we mustn't have been squibing you mustn't have been squibing they mustn't have been squibing

Interrogative form

Simple form	V-ing form
must I squib? must you squib? must he squib? must we squib? must you squib? must they squib?	must I be squibing? must you be squibing? must he be squibing? must we be squibing? must you be squibing? must they be squibing?
Perfect	V-ing perfect
must I have squibed? must you have squibed? must he have squibed? must we have squibed? must you have squibed? must they have squibed?	must I have been squibing? must you have been squibing? must he have been squibing? must we have been squibing? must you have been squibing? must they have been squibing?

Interro-negative form

Simple form	V-ing form
mustn't I squib? mustn't you squib? mustn't he squib? mustn't we squib? mustn't you squib? mustn't they squib?	mustn't I be squibing? mustn't you be squibing? mustn't he be squibing? mustn't we be squibing? mustn't you be squibing? mustn't they be squibing?
Perfect	V-ing perfect
mustn't I have squibed? mustn't you have squibed? mustn't he have squibed? mustn't we have squibed? mustn't you have squibed? mustn't they have squibed?	mustn't I have been squibing? mustn't you have been squibing? mustn't he have been squibing? mustn't we have been squibing? mustn't you have been squibing? mustn't they have been squibing?