shall clench
Regular verb: clench - clenched- clenched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'll clench
you'll clench
he'll clench
we'll clench
you'll clench
they'll clench 	I'll be clenching
you'll be clenching
he'll be clenching
we'll be clenching
you'll be clenching
they'll be clenching	I'll have clenched
you'll have clenched
he'll have clenched
we'll have clenched
you'll have clenched
they'll have clenched	I'll have been clenching
you'll have been clenching
he'll have been clenching
we'll have been clenching
you'll have been clenching
they'll have been clenching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shan't clench
you shan't clench
he shan't clench
we shan't clench
you shan't clench
they shan't clench 	I shan't be clenching
you shan't be clenching
he shan't be clenching
we shan't be clenching
you shan't be clenching
they shan't be clenching	I shan't have clenched
you shan't have clenched
he shan't have clenched
we shan't have clenched
you shan't have clenched
they shan't have clenched	I shan't have been clenching
you shan't have been clenching
he shan't have been clenching
we shan't have been clenching
you shan't have been clenching
they shan't have been clenching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I clench?
shall you clench?
shall he clench?
shall we clench?
shall you clench?
shall they clench? 	shall I be clenching?
shall you be clenching?
shall he be clenching?
shall we be clenching?
shall you be clenching?
shall they be clenching? 	shall I have clenched?
shall you have clenched?
shall he have clenched?
shall we have clenched?
shall you have clenched?
shall they have clenched? 	shall I have been clenching?
shall you have been clenching?
shall he have been clenching?
shall we have been clenching?
shall you have been clenching?
shall they have been clenching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shan't I clench?
shan't you clench?
shan't he clench?
shan't we clench?
shan't you clench?
shan't they clench? 	shan't I be clenching?
shan't you be clenching?
shan't he be clenching?
shan't we be clenching?
shan't you be clenching?
shan't they be clenching? 	shan't I have clenched?
shan't you have clenched?
shan't he have clenched?
shan't we have clenched?
shan't you have clenched?
shan't they have clenched? 	shan't I have been clenching?
shan't you have been clenching?
shan't he have been clenching?
shan't we have been clenching?
shan't you have been clenching?
shan't they have been clenching?