could subspecialise
Verbe régulier : subspecialise - subspecialised- subspecialised

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could subspecialise
you could subspecialise
she could subspecialise
we could subspecialise
you could subspecialise
they could subspecialise 	I could be subspecialising
you could be subspecialising
she could be subspecialising
we could be subspecialising
you could be subspecialising
they could be subspecialising	I could have subspecialised
you could have subspecialised
she could have subspecialised
we could have subspecialised
you could have subspecialised
they could have subspecialised	I could have been subspecialising
you could have been subspecialising
she could have been subspecialising
we could have been subspecialising
you could have been subspecialising
they could have been subspecialising	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not subspecialise
you could not subspecialise
she could not subspecialise
we could not subspecialise
you could not subspecialise
they could not subspecialise 	I could not be subspecialising
you could not be subspecialising
she could not be subspecialising
we could not be subspecialising
you could not be subspecialising
they could not be subspecialising	I could not have subspecialised
you could not have subspecialised
she could not have subspecialised
we could not have subspecialised
you could not have subspecialised
they could not have subspecialised	I could not have been subspecialising
you could not have been subspecialising
she could not have been subspecialising
we could not have been subspecialising
you could not have been subspecialising
they could not have been subspecialising	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I subspecialise?
could you subspecialise?
could she subspecialise?
could we subspecialise?
could you subspecialise?
could they subspecialise? 	could I be subspecialising?
could you be subspecialising?
could she be subspecialising?
could we be subspecialising?
could you be subspecialising?
could they be subspecialising? 	could I have subspecialised?
could you have subspecialised?
could she have subspecialised?
could we have subspecialised?
could you have subspecialised?
could they have subspecialised? 	could I have been subspecialising?
could you have been subspecialising?
could she have been subspecialising?
could we have been subspecialising?
could you have been subspecialising?
could they have been subspecialising? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not subspecialise?
could you not subspecialise?
could she not subspecialise?
could we not subspecialise?
could you not subspecialise?
could they not subspecialise? 	could I not be subspecialising?
could you not be subspecialising?
could she not be subspecialising?
could we not be subspecialising?
could you not be subspecialising?
could they not be subspecialising? 	could I not have subspecialised?
could you not have subspecialised?
could she not have subspecialised?
could we not have subspecialised?
could you not have subspecialised?
could they not have subspecialised? 	could I not have been subspecialising?
could you not have been subspecialising?
could she not have been subspecialising?
could we not have been subspecialising?
could you not have been subspecialising?
could they not have been subspecialising?