can sise
Verbe régulier : sise - sised- sised

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can sise
you can sise
he can sise
we can sise
you can sise
they can sise 	I can be sising
you can be sising
he can be sising
we can be sising
you can be sising
they can be sising	I can have sised
you can have sised
he can have sised
we can have sised
you can have sised
they can have sised	I can have been sising
you can have been sising
he can have been sising
we can have been sising
you can have been sising
they can have been sising	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can't sise
you can't sise
he can't sise
we can't sise
you can't sise
they can't sise 	I can't be sising
you can't be sising
he can't be sising
we can't be sising
you can't be sising
they can't be sising	I can't have sised
you can't have sised
he can't have sised
we can't have sised
you can't have sised
they can't have sised	I can't have been sising
you can't have been sising
he can't have been sising
we can't have been sising
you can't have been sising
they can't have been sising	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I sise?
can you sise?
can he sise?
can we sise?
can you sise?
can they sise? 	can I be sising?
can you be sising?
can he be sising?
can we be sising?
can you be sising?
can they be sising? 	can I have sised?
can you have sised?
can he have sised?
can we have sised?
can you have sised?
can they have sised? 	can I have been sising?
can you have been sising?
can he have been sising?
can we have been sising?
can you have been sising?
can they have been sising? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can't I sise?
can't you sise?
can't he sise?
can't we sise?
can't you sise?
can't they sise? 	can't I be sising?
can't you be sising?
can't he be sising?
can't we be sising?
can't you be sising?
can't they be sising? 	can't I have sised?
can't you have sised?
can't he have sised?
can't we have sised?
can't you have sised?
can't they have sised? 	can't I have been sising?
can't you have been sising?
can't he have been sising?
can't we have been sising?
can't you have been sising?
can't they have been sising?