could economise
Verbe régulier : economise - economised- economised

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could economise
you could economise
he could economise
we could economise
you could economise
they could economise 	I could be economising
you could be economising
he could be economising
we could be economising
you could be economising
they could be economising	I could have economised
you could have economised
he could have economised
we could have economised
you could have economised
they could have economised	I could have been economising
you could have been economising
he could have been economising
we could have been economising
you could have been economising
they could have been economising	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not economise
you could not economise
he could not economise
we could not economise
you could not economise
they could not economise 	I could not be economising
you could not be economising
he could not be economising
we could not be economising
you could not be economising
they could not be economising	I could not have economised
you could not have economised
he could not have economised
we could not have economised
you could not have economised
they could not have economised	I could not have been economising
you could not have been economising
he could not have been economising
we could not have been economising
you could not have been economising
they could not have been economising	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I economise?
could you economise?
could he economise?
could we economise?
could you economise?
could they economise? 	could I be economising?
could you be economising?
could he be economising?
could we be economising?
could you be economising?
could they be economising? 	could I have economised?
could you have economised?
could he have economised?
could we have economised?
could you have economised?
could they have economised? 	could I have been economising?
could you have been economising?
could he have been economising?
could we have been economising?
could you have been economising?
could they have been economising? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not economise?
could you not economise?
could he not economise?
could we not economise?
could you not economise?
could they not economise? 	could I not be economising?
could you not be economising?
could he not be economising?
could we not be economising?
could you not be economising?
could they not be economising? 	could I not have economised?
could you not have economised?
could he not have economised?
could we not have economised?
could you not have economised?
could they not have economised? 	could I not have been economising?
could you not have been economising?
could he not have been economising?
could we not have been economising?
could you not have been economising?
could they not have been economising?