can yo-yo
Verbe régulier : yo-yo - yo-yoed- yo-yoed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can yo-yo
you can yo-yo
she can yo-yo
we can yo-yo
you can yo-yo
they can yo-yo 	I can be yo-yoing
you can be yo-yoing
she can be yo-yoing
we can be yo-yoing
you can be yo-yoing
they can be yo-yoing	I can have yo-yoed
you can have yo-yoed
she can have yo-yoed
we can have yo-yoed
you can have yo-yoed
they can have yo-yoed	I can have been yo-yoing
you can have been yo-yoing
she can have been yo-yoing
we can have been yo-yoing
you can have been yo-yoing
they can have been yo-yoing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can't yo-yo
you can't yo-yo
she can't yo-yo
we can't yo-yo
you can't yo-yo
they can't yo-yo 	I can't be yo-yoing
you can't be yo-yoing
she can't be yo-yoing
we can't be yo-yoing
you can't be yo-yoing
they can't be yo-yoing	I can't have yo-yoed
you can't have yo-yoed
she can't have yo-yoed
we can't have yo-yoed
you can't have yo-yoed
they can't have yo-yoed	I can't have been yo-yoing
you can't have been yo-yoing
she can't have been yo-yoing
we can't have been yo-yoing
you can't have been yo-yoing
they can't have been yo-yoing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I yo-yo?
can you yo-yo?
can she yo-yo?
can we yo-yo?
can you yo-yo?
can they yo-yo? 	can I be yo-yoing?
can you be yo-yoing?
can she be yo-yoing?
can we be yo-yoing?
can you be yo-yoing?
can they be yo-yoing? 	can I have yo-yoed?
can you have yo-yoed?
can she have yo-yoed?
can we have yo-yoed?
can you have yo-yoed?
can they have yo-yoed? 	can I have been yo-yoing?
can you have been yo-yoing?
can she have been yo-yoing?
can we have been yo-yoing?
can you have been yo-yoing?
can they have been yo-yoing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can't I yo-yo?
can't you yo-yo?
can't she yo-yo?
can't we yo-yo?
can't you yo-yo?
can't they yo-yo? 	can't I be yo-yoing?
can't you be yo-yoing?
can't she be yo-yoing?
can't we be yo-yoing?
can't you be yo-yoing?
can't they be yo-yoing? 	can't I have yo-yoed?
can't you have yo-yoed?
can't she have yo-yoed?
can't we have yo-yoed?
can't you have yo-yoed?
can't they have yo-yoed? 	can't I have been yo-yoing?
can't you have been yo-yoing?
can't she have been yo-yoing?
can't we have been yo-yoing?
can't you have been yo-yoing?
can't they have been yo-yoing?