should treble
Verbe régulier : treble - trebled- trebled
Traduction française : tripler 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I should treble
you should treble
she should treble
we should treble
you should treble
they should treble 	I should be trebling
you should be trebling
she should be trebling
we should be trebling
you should be trebling
they should be trebling	I should have trebled
you should have trebled
she should have trebled
we should have trebled
you should have trebled
they should have trebled	I should have been trebling
you should have been trebling
she should have been trebling
we should have been trebling
you should have been trebling
they should have been trebling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I should not treble
you should not treble
she should not treble
we should not treble
you should not treble
they should not treble 	I should not be trebling
you should not be trebling
she should not be trebling
we should not be trebling
you should not be trebling
they should not be trebling	I should not have trebled
you should not have trebled
she should not have trebled
we should not have trebled
you should not have trebled
they should not have trebled	I should not have been trebling
you should not have been trebling
she should not have been trebling
we should not have been trebling
you should not have been trebling
they should not have been trebling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
should I treble?
should you treble?
should she treble?
should we treble?
should you treble?
should they treble? 	should I be trebling?
should you be trebling?
should she be trebling?
should we be trebling?
should you be trebling?
should they be trebling? 	should I have trebled?
should you have trebled?
should she have trebled?
should we have trebled?
should you have trebled?
should they have trebled? 	should I have been trebling?
should you have been trebling?
should she have been trebling?
should we have been trebling?
should you have been trebling?
should they have been trebling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
should I not treble?
should you not treble?
should she not treble?
should we not treble?
should you not treble?
should they not treble? 	should I not be trebling?
should you not be trebling?
should she not be trebling?
should we not be trebling?
should you not be trebling?
should they not be trebling? 	should I not have trebled?
should you not have trebled?
should she not have trebled?
should we not have trebled?
should you not have trebled?
should they not have trebled? 	should I not have been trebling?
should you not have been trebling?
should she not have been trebling?
should we not have been trebling?
should you not have been trebling?
should they not have been trebling?