English verb conjugation
MUST SQUIRM

Regular verb: squirm - squirmed - squirmed

Affirmation

Simple form	V-ing form
I must squirm you must squirm he must squirm we must squirm you must squirm they must squirm	I must be squirming you must be squirming he must be squirming we must be squirming you must be squirming they must be squirming
Perfect	V-ing perfect
I must have squirmed you must have squirmed he must have squirmed we must have squirmed you must have squirmed they must have squirmed	I must have been squirming you must have been squirming he must have been squirming we must have been squirming you must have been squirming they must have been squirming

Negation

Simple form	V-ing form
I mustn't squirm you mustn't squirm he mustn't squirm we mustn't squirm you mustn't squirm they mustn't squirm	I mustn't be squirming you mustn't be squirming he mustn't be squirming we mustn't be squirming you mustn't be squirming they mustn't be squirming
Perfect	V-ing perfect
I mustn't have squirmed you mustn't have squirmed he mustn't have squirmed we mustn't have squirmed you mustn't have squirmed they mustn't have squirmed	I mustn't have been squirming you mustn't have been squirming he mustn't have been squirming we mustn't have been squirming you mustn't have been squirming they mustn't have been squirming

Interrogative form

Simple form	V-ing form
must I squirm? must you squirm? must he squirm? must we squirm? must you squirm? must they squirm?	must I be squirming? must you be squirming? must he be squirming? must we be squirming? must you be squirming? must they be squirming?
Perfect	V-ing perfect
must I have squirmed? must you have squirmed? must he have squirmed? must we have squirmed? must you have squirmed? must they have squirmed?	must I have been squirming? must you have been squirming? must he have been squirming? must we have been squirming? must you have been squirming? must they have been squirming?

Interro-negative form

Simple form	V-ing form
mustn't I squirm? mustn't you squirm? mustn't he squirm? mustn't we squirm? mustn't you squirm? mustn't they squirm?	mustn't I be squirming? mustn't you be squirming? mustn't he be squirming? mustn't we be squirming? mustn't you be squirming? mustn't they be squirming?
Perfect	V-ing perfect
mustn't I have squirmed? mustn't you have squirmed? mustn't he have squirmed? mustn't we have squirmed? mustn't you have squirmed? mustn't they have squirmed?	mustn't I have been squirming? mustn't you have been squirming? mustn't he have been squirming? mustn't we have been squirming? mustn't you have been squirming? mustn't they have been squirming?