can clench
Verbe régulier : clench - clenched- clenched
Traduction française : serrer - empoigner 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can clench
you can clench
he can clench
we can clench
you can clench
they can clench 	I can be clenching
you can be clenching
he can be clenching
we can be clenching
you can be clenching
they can be clenching	I can have clenched
you can have clenched
he can have clenched
we can have clenched
you can have clenched
they can have clenched	I can have been clenching
you can have been clenching
he can have been clenching
we can have been clenching
you can have been clenching
they can have been clenching	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I cannot clench
you cannot clench
he cannot clench
we cannot clench
you cannot clench
they cannot clench 	I cannot be clenching
you cannot be clenching
he cannot be clenching
we cannot be clenching
you cannot be clenching
they cannot be clenching	I cannot have clenched
you cannot have clenched
he cannot have clenched
we cannot have clenched
you cannot have clenched
they cannot have clenched	I cannot have been clenching
you cannot have been clenching
he cannot have been clenching
we cannot have been clenching
you cannot have been clenching
they cannot have been clenching	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I clench?
can you clench?
can he clench?
can we clench?
can you clench?
can they clench? 	can I be clenching?
can you be clenching?
can he be clenching?
can we be clenching?
can you be clenching?
can they be clenching? 	can I have clenched?
can you have clenched?
can he have clenched?
can we have clenched?
can you have clenched?
can they have clenched? 	can I have been clenching?
can you have been clenching?
can he have been clenching?
can we have been clenching?
can you have been clenching?
can they have been clenching? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I not clench?
can you not clench?
can he not clench?
can we not clench?
can you not clench?
can they not clench? 	can I not be clenching?
can you not be clenching?
can he not be clenching?
can we not be clenching?
can you not be clenching?
can they not be clenching? 	can I not have clenched?
can you not have clenched?
can he not have clenched?
can we not have clenched?
can you not have clenched?
can they not have clenched? 	can I not have been clenching?
can you not have been clenching?
can he not have been clenching?
can we not have been clenching?
can you not have been clenching?
can they not have been clenching?