should guggle
Regular verb: guggle - guggled- guggled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd guggle
you'd guggle
he'd guggle
we'd guggle
you'd guggle
they'd guggle 	I'd be guggling
you'd be guggling
he'd be guggling
we'd be guggling
you'd be guggling
they'd be guggling	I should've guggled
you should've guggled
he should've guggled
we should've guggled
you should've guggled
they should've guggled	I should've been guggling
you should've been guggling
he should've been guggling
we should've been guggling
you should've been guggling
they should've been guggling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't guggle
you shouldn't guggle
he shouldn't guggle
we shouldn't guggle
you shouldn't guggle
they shouldn't guggle 	I shouldn't be guggling
you shouldn't be guggling
he shouldn't be guggling
we shouldn't be guggling
you shouldn't be guggling
they shouldn't be guggling	I shouldn't have guggled
you shouldn't have guggled
he shouldn't have guggled
we shouldn't have guggled
you shouldn't have guggled
they shouldn't have guggled	I shouldn't have been guggling
you shouldn't have been guggling
he shouldn't have been guggling
we shouldn't have been guggling
you shouldn't have been guggling
they shouldn't have been guggling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I guggle?
should you guggle?
should he guggle?
should we guggle?
should you guggle?
should they guggle? 	should I be guggling?
should you be guggling?
should he be guggling?
should we be guggling?
should you be guggling?
should they be guggling? 	should I have guggled?
should you have guggled?
should he have guggled?
should we have guggled?
should you have guggled?
should they have guggled? 	should I have been guggling?
should you have been guggling?
should he have been guggling?
should we have been guggling?
should you have been guggling?
should they have been guggling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I guggle?
shouldn't you guggle?
shouldn't he guggle?
shouldn't we guggle?
shouldn't you guggle?
shouldn't they guggle? 	shouldn't I be guggling?
shouldn't you be guggling?
shouldn't he be guggling?
shouldn't we be guggling?
shouldn't you be guggling?
shouldn't they be guggling? 	shouldn't I have guggled?
shouldn't you have guggled?
shouldn't he have guggled?
shouldn't we have guggled?
shouldn't you have guggled?
shouldn't they have guggled? 	shouldn't I have been guggling?
shouldn't you have been guggling?
shouldn't he have been guggling?
shouldn't we have been guggling?
shouldn't you have been guggling?
shouldn't they have been guggling?