English verb conjugation
SHOULD TRIP

Regular verb: trip - tripped - tripped

Affirmation

Simple form	V-ing form
I'd trip you'd trip he'd trip we'd trip you'd trip they'd trip	I'd be tripping you'd be tripping he'd be tripping we'd be tripping you'd be tripping they'd be tripping
Perfect	V-ing perfect
I should've tripped you should've tripped he should've tripped we should've tripped you should've tripped they should've tripped	I should've been tripping you should've been tripping he should've been tripping we should've been tripping you should've been tripping they should've been tripping

Negation

Simple form	V-ing form
I shouldn't trip you shouldn't trip he shouldn't trip we shouldn't trip you shouldn't trip they shouldn't trip	I shouldn't be tripping you shouldn't be tripping he shouldn't be tripping we shouldn't be tripping you shouldn't be tripping they shouldn't be tripping
Perfect	V-ing perfect
I shouldn't have tripped you shouldn't have tripped he shouldn't have tripped we shouldn't have tripped you shouldn't have tripped they shouldn't have tripped	I shouldn't have been tripping you shouldn't have been tripping he shouldn't have been tripping we shouldn't have been tripping you shouldn't have been tripping they shouldn't have been tripping

Interrogative form

Simple form	V-ing form
should I trip? should you trip? should he trip? should we trip? should you trip? should they trip?	should I be tripping? should you be tripping? should he be tripping? should we be tripping? should you be tripping? should they be tripping?
Perfect	V-ing perfect
should I have tripped? should you have tripped? should he have tripped? should we have tripped? should you have tripped? should they have tripped?	should I have been tripping? should you have been tripping? should he have been tripping? should we have been tripping? should you have been tripping? should they have been tripping?

Interro-negative form

Simple form	V-ing form
shouldn't I trip? shouldn't you trip? shouldn't he trip? shouldn't we trip? shouldn't you trip? shouldn't they trip?	shouldn't I be tripping? shouldn't you be tripping? shouldn't he be tripping? shouldn't we be tripping? shouldn't you be tripping? shouldn't they be tripping?
Perfect	V-ing perfect
shouldn't I have tripped? shouldn't you have tripped? shouldn't he have tripped? shouldn't we have tripped? shouldn't you have tripped? shouldn't they have tripped?	shouldn't I have been tripping? shouldn't you have been tripping? shouldn't he have been tripping? shouldn't we have been tripping? shouldn't you have been tripping? shouldn't they have been tripping?