should trip
Verbo regular: trip - tripped- tripped

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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	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	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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	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	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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? 	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? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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? 	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?