can wrench
Regular verb: wrench - wrenched- wrenched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can wrench
you can wrench
he can wrench
we can wrench
you can wrench
they can wrench 	I can be wrenching
you can be wrenching
he can be wrenching
we can be wrenching
you can be wrenching
they can be wrenching	I can have wrenched
you can have wrenched
he can have wrenched
we can have wrenched
you can have wrenched
they can have wrenched	I can have been wrenching
you can have been wrenching
he can have been wrenching
we can have been wrenching
you can have been wrenching
they can have been wrenching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't wrench
you can't wrench
he can't wrench
we can't wrench
you can't wrench
they can't wrench 	I can't be wrenching
you can't be wrenching
he can't be wrenching
we can't be wrenching
you can't be wrenching
they can't be wrenching	I can't have wrenched
you can't have wrenched
he can't have wrenched
we can't have wrenched
you can't have wrenched
they can't have wrenched	I can't have been wrenching
you can't have been wrenching
he can't have been wrenching
we can't have been wrenching
you can't have been wrenching
they can't have been wrenching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I wrench?
can you wrench?
can he wrench?
can we wrench?
can you wrench?
can they wrench? 	can I be wrenching?
can you be wrenching?
can he be wrenching?
can we be wrenching?
can you be wrenching?
can they be wrenching? 	can I have wrenched?
can you have wrenched?
can he have wrenched?
can we have wrenched?
can you have wrenched?
can they have wrenched? 	can I have been wrenching?
can you have been wrenching?
can he have been wrenching?
can we have been wrenching?
can you have been wrenching?
can they have been wrenching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I wrench?
can't you wrench?
can't he wrench?
can't we wrench?
can't you wrench?
can't they wrench? 	can't I be wrenching?
can't you be wrenching?
can't he be wrenching?
can't we be wrenching?
can't you be wrenching?
can't they be wrenching? 	can't I have wrenched?
can't you have wrenched?
can't he have wrenched?
can't we have wrenched?
can't you have wrenched?
can't they have wrenched? 	can't I have been wrenching?
can't you have been wrenching?
can't he have been wrenching?
can't we have been wrenching?
can't you have been wrenching?
can't they have been wrenching?