should overtighten
Regular verb: overtighten - overtightened- overtightened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should overtighten
you should overtighten
she should overtighten
we should overtighten
you should overtighten
they should overtighten 	I should be overtightening
you should be overtightening
she should be overtightening
we should be overtightening
you should be overtightening
they should be overtightening	I should have overtightened
you should have overtightened
she should have overtightened
we should have overtightened
you should have overtightened
they should have overtightened	I should have been overtightening
you should have been overtightening
she should have been overtightening
we should have been overtightening
you should have been overtightening
they should have been overtightening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not overtighten
you should not overtighten
she should not overtighten
we should not overtighten
you should not overtighten
they should not overtighten 	I should not be overtightening
you should not be overtightening
she should not be overtightening
we should not be overtightening
you should not be overtightening
they should not be overtightening	I should not have overtightened
you should not have overtightened
she should not have overtightened
we should not have overtightened
you should not have overtightened
they should not have overtightened	I should not have been overtightening
you should not have been overtightening
she should not have been overtightening
we should not have been overtightening
you should not have been overtightening
they should not have been overtightening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I overtighten?
should you overtighten?
should she overtighten?
should we overtighten?
should you overtighten?
should they overtighten? 	should I be overtightening?
should you be overtightening?
should she be overtightening?
should we be overtightening?
should you be overtightening?
should they be overtightening? 	should I have overtightened?
should you have overtightened?
should she have overtightened?
should we have overtightened?
should you have overtightened?
should they have overtightened? 	should I have been overtightening?
should you have been overtightening?
should she have been overtightening?
should we have been overtightening?
should you have been overtightening?
should they have been overtightening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not overtighten?
should you not overtighten?
should she not overtighten?
should we not overtighten?
should you not overtighten?
should they not overtighten? 	should I not be overtightening?
should you not be overtightening?
should she not be overtightening?
should we not be overtightening?
should you not be overtightening?
should they not be overtightening? 	should I not have overtightened?
should you not have overtightened?
should she not have overtightened?
should we not have overtightened?
should you not have overtightened?
should they not have overtightened? 	should I not have been overtightening?
should you not have been overtightening?
should she not have been overtightening?
should we not have been overtightening?
should you not have been overtightening?
should they not have been overtightening?