can vouch
Verbe régulier : vouch - vouched- vouched
Traduction française : se porter garant de quelqu'un ou quelque chose 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can vouch
you can vouch
she can vouch
we can vouch
you can vouch
they can vouch 	I can be vouching
you can be vouching
she can be vouching
we can be vouching
you can be vouching
they can be vouching	I can have vouched
you can have vouched
she can have vouched
we can have vouched
you can have vouched
they can have vouched	I can have been vouching
you can have been vouching
she can have been vouching
we can have been vouching
you can have been vouching
they can have been vouching	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can't vouch
you can't vouch
she can't vouch
we can't vouch
you can't vouch
they can't vouch 	I can't be vouching
you can't be vouching
she can't be vouching
we can't be vouching
you can't be vouching
they can't be vouching	I can't have vouched
you can't have vouched
she can't have vouched
we can't have vouched
you can't have vouched
they can't have vouched	I can't have been vouching
you can't have been vouching
she can't have been vouching
we can't have been vouching
you can't have been vouching
they can't have been vouching	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I vouch?
can you vouch?
can she vouch?
can we vouch?
can you vouch?
can they vouch? 	can I be vouching?
can you be vouching?
can she be vouching?
can we be vouching?
can you be vouching?
can they be vouching? 	can I have vouched?
can you have vouched?
can she have vouched?
can we have vouched?
can you have vouched?
can they have vouched? 	can I have been vouching?
can you have been vouching?
can she have been vouching?
can we have been vouching?
can you have been vouching?
can they have been vouching? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can't I vouch?
can't you vouch?
can't she vouch?
can't we vouch?
can't you vouch?
can't they vouch? 	can't I be vouching?
can't you be vouching?
can't she be vouching?
can't we be vouching?
can't you be vouching?
can't they be vouching? 	can't I have vouched?
can't you have vouched?
can't she have vouched?
can't we have vouched?
can't you have vouched?
can't they have vouched? 	can't I have been vouching?
can't you have been vouching?
can't she have been vouching?
can't we have been vouching?
can't you have been vouching?
can't they have been vouching?