must sphere
Verbo regular: sphere - sphered- sphered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must sphere
you must sphere
he must sphere
we must sphere
you must sphere
they must sphere 	I must be sphering
you must be sphering
he must be sphering
we must be sphering
you must be sphering
they must be sphering	I must have sphered
you must have sphered
he must have sphered
we must have sphered
you must have sphered
they must have sphered	I must have been sphering
you must have been sphering
he must have been sphering
we must have been sphering
you must have been sphering
they must have been sphering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not sphere
you must not sphere
he must not sphere
we must not sphere
you must not sphere
they must not sphere 	I must not be sphering
you must not be sphering
he must not be sphering
we must not be sphering
you must not be sphering
they must not be sphering	I must not have sphered
you must not have sphered
he must not have sphered
we must not have sphered
you must not have sphered
they must not have sphered	I must not have been sphering
you must not have been sphering
he must not have been sphering
we must not have been sphering
you must not have been sphering
they must not have been sphering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I sphere?
must you sphere?
must he sphere?
must we sphere?
must you sphere?
must they sphere? 	must I be sphering?
must you be sphering?
must he be sphering?
must we be sphering?
must you be sphering?
must they be sphering? 	must I have sphered?
must you have sphered?
must he have sphered?
must we have sphered?
must you have sphered?
must they have sphered? 	must I have been sphering?
must you have been sphering?
must he have been sphering?
must we have been sphering?
must you have been sphering?
must they have been sphering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not sphere?
must you not sphere?
must he not sphere?
must we not sphere?
must you not sphere?
must they not sphere? 	must I not be sphering?
must you not be sphering?
must he not be sphering?
must we not be sphering?
must you not be sphering?
must they not be sphering? 	must I not have sphered?
must you not have sphered?
must he not have sphered?
must we not have sphered?
must you not have sphered?
must they not have sphered? 	must I not have been sphering?
must you not have been sphering?
must he not have been sphering?
must we not have been sphering?
must you not have been sphering?
must they not have been sphering?