should drill
Regular verb: drill - drilled- drilled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should drill
you should drill
she should drill
we should drill
you should drill
they should drill 	I should be drilling
you should be drilling
she should be drilling
we should be drilling
you should be drilling
they should be drilling	I should have drilled
you should have drilled
she should have drilled
we should have drilled
you should have drilled
they should have drilled	I should have been drilling
you should have been drilling
she should have been drilling
we should have been drilling
you should have been drilling
they should have been drilling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not drill
you should not drill
she should not drill
we should not drill
you should not drill
they should not drill 	I should not be drilling
you should not be drilling
she should not be drilling
we should not be drilling
you should not be drilling
they should not be drilling	I should not have drilled
you should not have drilled
she should not have drilled
we should not have drilled
you should not have drilled
they should not have drilled	I should not have been drilling
you should not have been drilling
she should not have been drilling
we should not have been drilling
you should not have been drilling
they should not have been drilling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I drill?
should you drill?
should she drill?
should we drill?
should you drill?
should they drill? 	should I be drilling?
should you be drilling?
should she be drilling?
should we be drilling?
should you be drilling?
should they be drilling? 	should I have drilled?
should you have drilled?
should she have drilled?
should we have drilled?
should you have drilled?
should they have drilled? 	should I have been drilling?
should you have been drilling?
should she have been drilling?
should we have been drilling?
should you have been drilling?
should they have been drilling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not drill?
should you not drill?
should she not drill?
should we not drill?
should you not drill?
should they not drill? 	should I not be drilling?
should you not be drilling?
should she not be drilling?
should we not be drilling?
should you not be drilling?
should they not be drilling? 	should I not have drilled?
should you not have drilled?
should she not have drilled?
should we not have drilled?
should you not have drilled?
should they not have drilled? 	should I not have been drilling?
should you not have been drilling?
should she not have been drilling?
should we not have been drilling?
should you not have been drilling?
should they not have been drilling?