must squeak
Verbo regular: squeak - squeaked- squeaked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must squeak
you must squeak
he must squeak
we must squeak
you must squeak
they must squeak 	I must be squeaking
you must be squeaking
he must be squeaking
we must be squeaking
you must be squeaking
they must be squeaking	I must have squeaked
you must have squeaked
he must have squeaked
we must have squeaked
you must have squeaked
they must have squeaked	I must have been squeaking
you must have been squeaking
he must have been squeaking
we must have been squeaking
you must have been squeaking
they must have been squeaking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not squeak
you must not squeak
he must not squeak
we must not squeak
you must not squeak
they must not squeak 	I must not be squeaking
you must not be squeaking
he must not be squeaking
we must not be squeaking
you must not be squeaking
they must not be squeaking	I must not have squeaked
you must not have squeaked
he must not have squeaked
we must not have squeaked
you must not have squeaked
they must not have squeaked	I must not have been squeaking
you must not have been squeaking
he must not have been squeaking
we must not have been squeaking
you must not have been squeaking
they must not have been squeaking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I squeak?
must you squeak?
must he squeak?
must we squeak?
must you squeak?
must they squeak? 	must I be squeaking?
must you be squeaking?
must he be squeaking?
must we be squeaking?
must you be squeaking?
must they be squeaking? 	must I have squeaked?
must you have squeaked?
must he have squeaked?
must we have squeaked?
must you have squeaked?
must they have squeaked? 	must I have been squeaking?
must you have been squeaking?
must he have been squeaking?
must we have been squeaking?
must you have been squeaking?
must they have been squeaking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not squeak?
must you not squeak?
must he not squeak?
must we not squeak?
must you not squeak?
must they not squeak? 	must I not be squeaking?
must you not be squeaking?
must he not be squeaking?
must we not be squeaking?
must you not be squeaking?
must they not be squeaking? 	must I not have squeaked?
must you not have squeaked?
must he not have squeaked?
must we not have squeaked?
must you not have squeaked?
must they not have squeaked? 	must I not have been squeaking?
must you not have been squeaking?
must he not have been squeaking?
must we not have been squeaking?
must you not have been squeaking?
must they not have been squeaking?