can triple
Verbo regular: triple - tripled- tripled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can triple
you can triple
she can triple
we can triple
you can triple
they can triple 	I can be tripling
you can be tripling
she can be tripling
we can be tripling
you can be tripling
they can be tripling	I can have tripled
you can have tripled
she can have tripled
we can have tripled
you can have tripled
they can have tripled	I can have been tripling
you can have been tripling
she can have been tripling
we can have been tripling
you can have been tripling
they can have been tripling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot triple
you cannot triple
she cannot triple
we cannot triple
you cannot triple
they cannot triple 	I cannot be tripling
you cannot be tripling
she cannot be tripling
we cannot be tripling
you cannot be tripling
they cannot be tripling	I cannot have tripled
you cannot have tripled
she cannot have tripled
we cannot have tripled
you cannot have tripled
they cannot have tripled	I cannot have been tripling
you cannot have been tripling
she cannot have been tripling
we cannot have been tripling
you cannot have been tripling
they cannot have been tripling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I triple?
can you triple?
can she triple?
can we triple?
can you triple?
can they triple? 	can I be tripling?
can you be tripling?
can she be tripling?
can we be tripling?
can you be tripling?
can they be tripling? 	can I have tripled?
can you have tripled?
can she have tripled?
can we have tripled?
can you have tripled?
can they have tripled? 	can I have been tripling?
can you have been tripling?
can she have been tripling?
can we have been tripling?
can you have been tripling?
can they have been tripling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not triple?
can you not triple?
can she not triple?
can we not triple?
can you not triple?
can they not triple? 	can I not be tripling?
can you not be tripling?
can she not be tripling?
can we not be tripling?
can you not be tripling?
can they not be tripling? 	can I not have tripled?
can you not have tripled?
can she not have tripled?
can we not have tripled?
can you not have tripled?
can they not have tripled? 	can I not have been tripling?
can you not have been tripling?
can she not have been tripling?
can we not have been tripling?
can you not have been tripling?
can they not have been tripling?