should throttle
Regular verb: throttle - throttled- throttled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd throttle
you'd throttle
he'd throttle
we'd throttle
you'd throttle
they'd throttle 	I'd be throttling
you'd be throttling
he'd be throttling
we'd be throttling
you'd be throttling
they'd be throttling	I should've throttled
you should've throttled
he should've throttled
we should've throttled
you should've throttled
they should've throttled	I should've been throttling
you should've been throttling
he should've been throttling
we should've been throttling
you should've been throttling
they should've been throttling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't throttle
you shouldn't throttle
he shouldn't throttle
we shouldn't throttle
you shouldn't throttle
they shouldn't throttle 	I shouldn't be throttling
you shouldn't be throttling
he shouldn't be throttling
we shouldn't be throttling
you shouldn't be throttling
they shouldn't be throttling	I shouldn't have throttled
you shouldn't have throttled
he shouldn't have throttled
we shouldn't have throttled
you shouldn't have throttled
they shouldn't have throttled	I shouldn't have been throttling
you shouldn't have been throttling
he shouldn't have been throttling
we shouldn't have been throttling
you shouldn't have been throttling
they shouldn't have been throttling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I throttle?
should you throttle?
should he throttle?
should we throttle?
should you throttle?
should they throttle? 	should I be throttling?
should you be throttling?
should he be throttling?
should we be throttling?
should you be throttling?
should they be throttling? 	should I have throttled?
should you have throttled?
should he have throttled?
should we have throttled?
should you have throttled?
should they have throttled? 	should I have been throttling?
should you have been throttling?
should he have been throttling?
should we have been throttling?
should you have been throttling?
should they have been throttling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I throttle?
shouldn't you throttle?
shouldn't he throttle?
shouldn't we throttle?
shouldn't you throttle?
shouldn't they throttle? 	shouldn't I be throttling?
shouldn't you be throttling?
shouldn't he be throttling?
shouldn't we be throttling?
shouldn't you be throttling?
shouldn't they be throttling? 	shouldn't I have throttled?
shouldn't you have throttled?
shouldn't he have throttled?
shouldn't we have throttled?
shouldn't you have throttled?
shouldn't they have throttled? 	shouldn't I have been throttling?
shouldn't you have been throttling?
shouldn't he have been throttling?
shouldn't we have been throttling?
shouldn't you have been throttling?
shouldn't they have been throttling?