should bumble
Regular verb: bumble - bumbled- bumbled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd bumble
you'd bumble
he'd bumble
we'd bumble
you'd bumble
they'd bumble 	I'd be bumbling
you'd be bumbling
he'd be bumbling
we'd be bumbling
you'd be bumbling
they'd be bumbling	I should've bumbled
you should've bumbled
he should've bumbled
we should've bumbled
you should've bumbled
they should've bumbled	I should've been bumbling
you should've been bumbling
he should've been bumbling
we should've been bumbling
you should've been bumbling
they should've been bumbling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't bumble
you shouldn't bumble
he shouldn't bumble
we shouldn't bumble
you shouldn't bumble
they shouldn't bumble 	I shouldn't be bumbling
you shouldn't be bumbling
he shouldn't be bumbling
we shouldn't be bumbling
you shouldn't be bumbling
they shouldn't be bumbling	I shouldn't have bumbled
you shouldn't have bumbled
he shouldn't have bumbled
we shouldn't have bumbled
you shouldn't have bumbled
they shouldn't have bumbled	I shouldn't have been bumbling
you shouldn't have been bumbling
he shouldn't have been bumbling
we shouldn't have been bumbling
you shouldn't have been bumbling
they shouldn't have been bumbling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I bumble?
should you bumble?
should he bumble?
should we bumble?
should you bumble?
should they bumble? 	should I be bumbling?
should you be bumbling?
should he be bumbling?
should we be bumbling?
should you be bumbling?
should they be bumbling? 	should I have bumbled?
should you have bumbled?
should he have bumbled?
should we have bumbled?
should you have bumbled?
should they have bumbled? 	should I have been bumbling?
should you have been bumbling?
should he have been bumbling?
should we have been bumbling?
should you have been bumbling?
should they have been bumbling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I bumble?
shouldn't you bumble?
shouldn't he bumble?
shouldn't we bumble?
shouldn't you bumble?
shouldn't they bumble? 	shouldn't I be bumbling?
shouldn't you be bumbling?
shouldn't he be bumbling?
shouldn't we be bumbling?
shouldn't you be bumbling?
shouldn't they be bumbling? 	shouldn't I have bumbled?
shouldn't you have bumbled?
shouldn't he have bumbled?
shouldn't we have bumbled?
shouldn't you have bumbled?
shouldn't they have bumbled? 	shouldn't I have been bumbling?
shouldn't you have been bumbling?
shouldn't he have been bumbling?
shouldn't we have been bumbling?
shouldn't you have been bumbling?
shouldn't they have been bumbling?