must squirm
Verbo regular: squirm - squirmed- squirmed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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	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	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not squirm
you must not squirm
he must not squirm
we must not squirm
you must not squirm
they must not squirm 	I must not be squirming
you must not be squirming
he must not be squirming
we must not be squirming
you must not be squirming
they must not be squirming	I must not have squirmed
you must not have squirmed
he must not have squirmed
we must not have squirmed
you must not have squirmed
they must not have squirmed	I must not have been squirming
you must not have been squirming
he must not have been squirming
we must not have been squirming
you must not have been squirming
they must not have been squirming	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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? 	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? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not squirm?
must you not squirm?
must he not squirm?
must we not squirm?
must you not squirm?
must they not squirm? 	must I not be squirming?
must you not be squirming?
must he not be squirming?
must we not be squirming?
must you not be squirming?
must they not be squirming? 	must I not have squirmed?
must you not have squirmed?
must he not have squirmed?
must we not have squirmed?
must you not have squirmed?
must they not have squirmed? 	must I not have been squirming?
must you not have been squirming?
must he not have been squirming?
must we not have been squirming?
must you not have been squirming?
must they not have been squirming?