must sphere
Verbe régulier : sphere - sphered- sphered

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must sphere
you must sphere
she must sphere
we must sphere
you must sphere
they must sphere 	I must be sphering
you must be sphering
she must be sphering
we must be sphering
you must be sphering
they must be sphering	I must have sphered
you must have sphered
she 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
she must have been sphering
we must have been sphering
you must have been sphering
they must have been sphering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not sphere
you must not sphere
she 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
she 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
she 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
she must not have been sphering
we must not have been sphering
you must not have been sphering
they must not have been sphering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I sphere?
must you sphere?
must she sphere?
must we sphere?
must you sphere?
must they sphere? 	must I be sphering?
must you be sphering?
must she be sphering?
must we be sphering?
must you be sphering?
must they be sphering? 	must I have sphered?
must you have sphered?
must she 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 she have been sphering?
must we have been sphering?
must you have been sphering?
must they have been sphering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not sphere?
must you not sphere?
must she 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 she 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 she 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 she not have been sphering?
must we not have been sphering?
must you not have been sphering?
must they not have been sphering?