must squish
Regular verb: squish - squished- squished

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must squish
you must squish
she must squish
we must squish
you must squish
they must squish 	I must be squishing
you must be squishing
she must be squishing
we must be squishing
you must be squishing
they must be squishing	I must have squished
you must have squished
she must have squished
we must have squished
you must have squished
they must have squished	I must have been squishing
you must have been squishing
she must have been squishing
we must have been squishing
you must have been squishing
they must have been squishing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't squish
you mustn't squish
she mustn't squish
we mustn't squish
you mustn't squish
they mustn't squish 	I mustn't be squishing
you mustn't be squishing
she mustn't be squishing
we mustn't be squishing
you mustn't be squishing
they mustn't be squishing	I mustn't have squished
you mustn't have squished
she mustn't have squished
we mustn't have squished
you mustn't have squished
they mustn't have squished	I mustn't have been squishing
you mustn't have been squishing
she mustn't have been squishing
we mustn't have been squishing
you mustn't have been squishing
they mustn't have been squishing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I squish?
must you squish?
must she squish?
must we squish?
must you squish?
must they squish? 	must I be squishing?
must you be squishing?
must she be squishing?
must we be squishing?
must you be squishing?
must they be squishing? 	must I have squished?
must you have squished?
must she have squished?
must we have squished?
must you have squished?
must they have squished? 	must I have been squishing?
must you have been squishing?
must she have been squishing?
must we have been squishing?
must you have been squishing?
must they have been squishing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I squish?
mustn't you squish?
mustn't she squish?
mustn't we squish?
mustn't you squish?
mustn't they squish? 	mustn't I be squishing?
mustn't you be squishing?
mustn't she be squishing?
mustn't we be squishing?
mustn't you be squishing?
mustn't they be squishing? 	mustn't I have squished?
mustn't you have squished?
mustn't she have squished?
mustn't we have squished?
mustn't you have squished?
mustn't they have squished? 	mustn't I have been squishing?
mustn't you have been squishing?
mustn't she have been squishing?
mustn't we have been squishing?
mustn't you have been squishing?
mustn't they have been squishing?