can avouch
Verbo regular: avouch - avouched- avouched

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can avouch
you can avouch
he can avouch
we can avouch
you can avouch
they can avouch 	I can be avouching
you can be avouching
he can be avouching
we can be avouching
you can be avouching
they can be avouching	I can have avouched
you can have avouched
he can have avouched
we can have avouched
you can have avouched
they can have avouched	I can have been avouching
you can have been avouching
he can have been avouching
we can have been avouching
you can have been avouching
they can have been avouching	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot avouch
you cannot avouch
he cannot avouch
we cannot avouch
you cannot avouch
they cannot avouch 	I cannot be avouching
you cannot be avouching
he cannot be avouching
we cannot be avouching
you cannot be avouching
they cannot be avouching	I cannot have avouched
you cannot have avouched
he cannot have avouched
we cannot have avouched
you cannot have avouched
they cannot have avouched	I cannot have been avouching
you cannot have been avouching
he cannot have been avouching
we cannot have been avouching
you cannot have been avouching
they cannot have been avouching	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I avouch?
can you avouch?
can he avouch?
can we avouch?
can you avouch?
can they avouch? 	can I be avouching?
can you be avouching?
can he be avouching?
can we be avouching?
can you be avouching?
can they be avouching? 	can I have avouched?
can you have avouched?
can he have avouched?
can we have avouched?
can you have avouched?
can they have avouched? 	can I have been avouching?
can you have been avouching?
can he have been avouching?
can we have been avouching?
can you have been avouching?
can they have been avouching? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not avouch?
can you not avouch?
can he not avouch?
can we not avouch?
can you not avouch?
can they not avouch? 	can I not be avouching?
can you not be avouching?
can he not be avouching?
can we not be avouching?
can you not be avouching?
can they not be avouching? 	can I not have avouched?
can you not have avouched?
can he not have avouched?
can we not have avouched?
can you not have avouched?
can they not have avouched? 	can I not have been avouching?
can you not have been avouching?
can he not have been avouching?
can we not have been avouching?
can you not have been avouching?
can they not have been avouching?