can treble
Verbo regolare: treble - trebled- trebled

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I can treble
you can treble
she can treble
we can treble
you can treble
they can treble 	I can be trebling
you can be trebling
she can be trebling
we can be trebling
you can be trebling
they can be trebling	I can have trebled
you can have trebled
she can have trebled
we can have trebled
you can have trebled
they can have trebled	I can have been trebling
you can have been trebling
she can have been trebling
we can have been trebling
you can have been trebling
they can have been trebling	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I cannot treble
you cannot treble
she cannot treble
we cannot treble
you cannot treble
they cannot treble 	I cannot be trebling
you cannot be trebling
she cannot be trebling
we cannot be trebling
you cannot be trebling
they cannot be trebling	I cannot have trebled
you cannot have trebled
she cannot have trebled
we cannot have trebled
you cannot have trebled
they cannot have trebled	I cannot have been trebling
you cannot have been trebling
she cannot have been trebling
we cannot have been trebling
you cannot have been trebling
they cannot have been trebling	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I treble?
can you treble?
can she treble?
can we treble?
can you treble?
can they treble? 	can I be trebling?
can you be trebling?
can she be trebling?
can we be trebling?
can you be trebling?
can they be trebling? 	can I have trebled?
can you have trebled?
can she have trebled?
can we have trebled?
can you have trebled?
can they have trebled? 	can I have been trebling?
can you have been trebling?
can she have been trebling?
can we have been trebling?
can you have been trebling?
can they have been trebling? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I not treble?
can you not treble?
can she not treble?
can we not treble?
can you not treble?
can they not treble? 	can I not be trebling?
can you not be trebling?
can she not be trebling?
can we not be trebling?
can you not be trebling?
can they not be trebling? 	can I not have trebled?
can you not have trebled?
can she not have trebled?
can we not have trebled?
can you not have trebled?
can they not have trebled? 	can I not have been trebling?
can you not have been trebling?
can she not have been trebling?
can we not have been trebling?
can you not have been trebling?
can they not have been trebling?