can window
Verbe régulier : window - windowed- windowed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can window
you can window
he can window
we can window
you can window
they can window 	I can be windowing
you can be windowing
he can be windowing
we can be windowing
you can be windowing
they can be windowing	I can have windowed
you can have windowed
he can have windowed
we can have windowed
you can have windowed
they can have windowed	I can have been windowing
you can have been windowing
he can have been windowing
we can have been windowing
you can have been windowing
they can have been windowing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I cannot window
you cannot window
he cannot window
we cannot window
you cannot window
they cannot window 	I cannot be windowing
you cannot be windowing
he cannot be windowing
we cannot be windowing
you cannot be windowing
they cannot be windowing	I cannot have windowed
you cannot have windowed
he cannot have windowed
we cannot have windowed
you cannot have windowed
they cannot have windowed	I cannot have been windowing
you cannot have been windowing
he cannot have been windowing
we cannot have been windowing
you cannot have been windowing
they cannot have been windowing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I window?
can you window?
can he window?
can we window?
can you window?
can they window? 	can I be windowing?
can you be windowing?
can he be windowing?
can we be windowing?
can you be windowing?
can they be windowing? 	can I have windowed?
can you have windowed?
can he have windowed?
can we have windowed?
can you have windowed?
can they have windowed? 	can I have been windowing?
can you have been windowing?
can he have been windowing?
can we have been windowing?
can you have been windowing?
can they have been windowing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I not window?
can you not window?
can he not window?
can we not window?
can you not window?
can they not window? 	can I not be windowing?
can you not be windowing?
can he not be windowing?
can we not be windowing?
can you not be windowing?
can they not be windowing? 	can I not have windowed?
can you not have windowed?
can he not have windowed?
can we not have windowed?
can you not have windowed?
can they not have windowed? 	can I not have been windowing?
can you not have been windowing?
can he not have been windowing?
can we not have been windowing?
can you not have been windowing?
can they not have been windowing?