English verb conjugation
SHOULD PREDRILL

Regular verb: predrill - predrilled - predrilled

Affirmation

Simple form	V-ing form
I'd predrill you'd predrill he'd predrill we'd predrill you'd predrill they'd predrill	I'd be predrilling you'd be predrilling he'd be predrilling we'd be predrilling you'd be predrilling they'd be predrilling
Perfect	V-ing perfect
I should've predrilled you should've predrilled he should've predrilled we should've predrilled you should've predrilled they should've predrilled	I should've been predrilling you should've been predrilling he should've been predrilling we should've been predrilling you should've been predrilling they should've been predrilling

Negation

Simple form	V-ing form
I shouldn't predrill you shouldn't predrill he shouldn't predrill we shouldn't predrill you shouldn't predrill they shouldn't predrill	I shouldn't be predrilling you shouldn't be predrilling he shouldn't be predrilling we shouldn't be predrilling you shouldn't be predrilling they shouldn't be predrilling
Perfect	V-ing perfect
I shouldn't have predrilled you shouldn't have predrilled he shouldn't have predrilled we shouldn't have predrilled you shouldn't have predrilled they shouldn't have predrilled	I shouldn't have been predrilling you shouldn't have been predrilling he shouldn't have been predrilling we shouldn't have been predrilling you shouldn't have been predrilling they shouldn't have been predrilling

Interrogative form

Simple form	V-ing form
should I predrill? should you predrill? should he predrill? should we predrill? should you predrill? should they predrill?	should I be predrilling? should you be predrilling? should he be predrilling? should we be predrilling? should you be predrilling? should they be predrilling?
Perfect	V-ing perfect
should I have predrilled? should you have predrilled? should he have predrilled? should we have predrilled? should you have predrilled? should they have predrilled?	should I have been predrilling? should you have been predrilling? should he have been predrilling? should we have been predrilling? should you have been predrilling? should they have been predrilling?

Interro-negative form

Simple form	V-ing form
shouldn't I predrill? shouldn't you predrill? shouldn't he predrill? shouldn't we predrill? shouldn't you predrill? shouldn't they predrill?	shouldn't I be predrilling? shouldn't you be predrilling? shouldn't he be predrilling? shouldn't we be predrilling? shouldn't you be predrilling? shouldn't they be predrilling?
Perfect	V-ing perfect
shouldn't I have predrilled? shouldn't you have predrilled? shouldn't he have predrilled? shouldn't we have predrilled? shouldn't you have predrilled? shouldn't they have predrilled?	shouldn't I have been predrilling? shouldn't you have been predrilling? shouldn't he have been predrilling? shouldn't we have been predrilling? shouldn't you have been predrilling? shouldn't they have been predrilling?