English verb conjugation
SHOULD PUNCTURE

Regular verb: puncture - punctured - punctured

Affirmation

Simple form	V-ing form
I'd puncture you'd puncture he'd puncture we'd puncture you'd puncture they'd puncture	I'd be puncturing you'd be puncturing he'd be puncturing we'd be puncturing you'd be puncturing they'd be puncturing
Perfect	V-ing perfect
I should've punctured you should've punctured he should've punctured we should've punctured you should've punctured they should've punctured	I should've been puncturing you should've been puncturing he should've been puncturing we should've been puncturing you should've been puncturing they should've been puncturing

Negation

Simple form	V-ing form
I shouldn't puncture you shouldn't puncture he shouldn't puncture we shouldn't puncture you shouldn't puncture they shouldn't puncture	I shouldn't be puncturing you shouldn't be puncturing he shouldn't be puncturing we shouldn't be puncturing you shouldn't be puncturing they shouldn't be puncturing
Perfect	V-ing perfect
I shouldn't have punctured you shouldn't have punctured he shouldn't have punctured we shouldn't have punctured you shouldn't have punctured they shouldn't have punctured	I shouldn't have been puncturing you shouldn't have been puncturing he shouldn't have been puncturing we shouldn't have been puncturing you shouldn't have been puncturing they shouldn't have been puncturing

Interrogative form

Simple form	V-ing form
should I puncture? should you puncture? should he puncture? should we puncture? should you puncture? should they puncture?	should I be puncturing? should you be puncturing? should he be puncturing? should we be puncturing? should you be puncturing? should they be puncturing?
Perfect	V-ing perfect
should I have punctured? should you have punctured? should he have punctured? should we have punctured? should you have punctured? should they have punctured?	should I have been puncturing? should you have been puncturing? should he have been puncturing? should we have been puncturing? should you have been puncturing? should they have been puncturing?

Interro-negative form

Simple form	V-ing form
shouldn't I puncture? shouldn't you puncture? shouldn't he puncture? shouldn't we puncture? shouldn't you puncture? shouldn't they puncture?	shouldn't I be puncturing? shouldn't you be puncturing? shouldn't he be puncturing? shouldn't we be puncturing? shouldn't you be puncturing? shouldn't they be puncturing?
Perfect	V-ing perfect
shouldn't I have punctured? shouldn't you have punctured? shouldn't he have punctured? shouldn't we have punctured? shouldn't you have punctured? shouldn't they have punctured?	shouldn't I have been puncturing? shouldn't you have been puncturing? shouldn't he have been puncturing? shouldn't we have been puncturing? shouldn't you have been puncturing? shouldn't they have been puncturing?