can sphere
Verbe régulier : sphere - sphered- sphered

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

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can't sphere
you can't sphere
she can't sphere
we can't sphere
you can't sphere
they can't sphere 	I can't be sphering
you can't be sphering
she can't be sphering
we can't be sphering
you can't be sphering
they can't be sphering	I can't have sphered
you can't have sphered
she can't have sphered
we can't have sphered
you can't have sphered
they can't have sphered	I can't have been sphering
you can't have been sphering
she can't have been sphering
we can't have been sphering
you can't have been sphering
they can't have been sphering	

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

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can't I sphere?
can't you sphere?
can't she sphere?
can't we sphere?
can't you sphere?
can't they sphere? 	can't I be sphering?
can't you be sphering?
can't she be sphering?
can't we be sphering?
can't you be sphering?
can't they be sphering? 	can't I have sphered?
can't you have sphered?
can't she have sphered?
can't we have sphered?
can't you have sphered?
can't they have sphered? 	can't I have been sphering?
can't you have been sphering?
can't she have been sphering?
can't we have been sphering?
can't you have been sphering?
can't they have been sphering?