can yip
Verbe régulier : yip - yipped- yipped

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can yip
you can yip
he can yip
we can yip
you can yip
they can yip 	I can be yipping
you can be yipping
he can be yipping
we can be yipping
you can be yipping
they can be yipping	I can have yipped
you can have yipped
he can have yipped
we can have yipped
you can have yipped
they can have yipped	I can have been yipping
you can have been yipping
he can have been yipping
we can have been yipping
you can have been yipping
they can have been yipping	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I cannot yip
you cannot yip
he cannot yip
we cannot yip
you cannot yip
they cannot yip 	I cannot be yipping
you cannot be yipping
he cannot be yipping
we cannot be yipping
you cannot be yipping
they cannot be yipping	I cannot have yipped
you cannot have yipped
he cannot have yipped
we cannot have yipped
you cannot have yipped
they cannot have yipped	I cannot have been yipping
you cannot have been yipping
he cannot have been yipping
we cannot have been yipping
you cannot have been yipping
they cannot have been yipping	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I yip?
can you yip?
can he yip?
can we yip?
can you yip?
can they yip? 	can I be yipping?
can you be yipping?
can he be yipping?
can we be yipping?
can you be yipping?
can they be yipping? 	can I have yipped?
can you have yipped?
can he have yipped?
can we have yipped?
can you have yipped?
can they have yipped? 	can I have been yipping?
can you have been yipping?
can he have been yipping?
can we have been yipping?
can you have been yipping?
can they have been yipping? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I not yip?
can you not yip?
can he not yip?
can we not yip?
can you not yip?
can they not yip? 	can I not be yipping?
can you not be yipping?
can he not be yipping?
can we not be yipping?
can you not be yipping?
can they not be yipping? 	can I not have yipped?
can you not have yipped?
can he not have yipped?
can we not have yipped?
can you not have yipped?
can they not have yipped? 	can I not have been yipping?
can you not have been yipping?
can he not have been yipping?
can we not have been yipping?
can you not have been yipping?
can they not have been yipping?