English verb conjugation
SHOULD LEASH

Regular verb: leash - leashed - leashed

Affirmation

Simple form	V-ing form
I'd leash you'd leash he'd leash we'd leash you'd leash they'd leash	I'd be leashing you'd be leashing he'd be leashing we'd be leashing you'd be leashing they'd be leashing
Perfect	V-ing perfect
I should've leashed you should've leashed he should've leashed we should've leashed you should've leashed they should've leashed	I should've been leashing you should've been leashing he should've been leashing we should've been leashing you should've been leashing they should've been leashing

Negation

Simple form	V-ing form
I shouldn't leash you shouldn't leash he shouldn't leash we shouldn't leash you shouldn't leash they shouldn't leash	I shouldn't be leashing you shouldn't be leashing he shouldn't be leashing we shouldn't be leashing you shouldn't be leashing they shouldn't be leashing
Perfect	V-ing perfect
I shouldn't have leashed you shouldn't have leashed he shouldn't have leashed we shouldn't have leashed you shouldn't have leashed they shouldn't have leashed	I shouldn't have been leashing you shouldn't have been leashing he shouldn't have been leashing we shouldn't have been leashing you shouldn't have been leashing they shouldn't have been leashing

Interrogative form

Simple form	V-ing form
should I leash? should you leash? should he leash? should we leash? should you leash? should they leash?	should I be leashing? should you be leashing? should he be leashing? should we be leashing? should you be leashing? should they be leashing?
Perfect	V-ing perfect
should I have leashed? should you have leashed? should he have leashed? should we have leashed? should you have leashed? should they have leashed?	should I have been leashing? should you have been leashing? should he have been leashing? should we have been leashing? should you have been leashing? should they have been leashing?

Interro-negative form

Simple form	V-ing form
shouldn't I leash? shouldn't you leash? shouldn't he leash? shouldn't we leash? shouldn't you leash? shouldn't they leash?	shouldn't I be leashing? shouldn't you be leashing? shouldn't he be leashing? shouldn't we be leashing? shouldn't you be leashing? shouldn't they be leashing?
Perfect	V-ing perfect
shouldn't I have leashed? shouldn't you have leashed? shouldn't he have leashed? shouldn't we have leashed? shouldn't you have leashed? shouldn't they have leashed?	shouldn't I have been leashing? shouldn't you have been leashing? shouldn't he have been leashing? shouldn't we have been leashing? shouldn't you have been leashing? shouldn't they have been leashing?