English verb conjugation
SHOULD SINK

Irregular verb: sink - sank, sunk - sunk

Affirmation

Simple form	V-ing form
I'd sink you'd sink he'd sink we'd sink you'd sink they'd sink	I'd be sinking you'd be sinking he'd be sinking we'd be sinking you'd be sinking they'd be sinking
Perfect	V-ing perfect
I should've sunk you should've sunk he should've sunk we should've sunk you should've sunk they should've sunk	I should've been sinking you should've been sinking he should've been sinking we should've been sinking you should've been sinking they should've been sinking

Negation

Simple form	V-ing form
I shouldn't sink you shouldn't sink he shouldn't sink we shouldn't sink you shouldn't sink they shouldn't sink	I shouldn't be sinking you shouldn't be sinking he shouldn't be sinking we shouldn't be sinking you shouldn't be sinking they shouldn't be sinking
Perfect	V-ing perfect
I shouldn't have sunk you shouldn't have sunk he shouldn't have sunk we shouldn't have sunk you shouldn't have sunk they shouldn't have sunk	I shouldn't have been sinking you shouldn't have been sinking he shouldn't have been sinking we shouldn't have been sinking you shouldn't have been sinking they shouldn't have been sinking

Interrogative form

Simple form	V-ing form
should I sink? should you sink? should he sink? should we sink? should you sink? should they sink?	should I be sinking? should you be sinking? should he be sinking? should we be sinking? should you be sinking? should they be sinking?
Perfect	V-ing perfect
should I have sunk? should you have sunk? should he have sunk? should we have sunk? should you have sunk? should they have sunk?	should I have been sinking? should you have been sinking? should he have been sinking? should we have been sinking? should you have been sinking? should they have been sinking?

Interro-negative form

Simple form	V-ing form
shouldn't I sink? shouldn't you sink? shouldn't he sink? shouldn't we sink? shouldn't you sink? shouldn't they sink?	shouldn't I be sinking? shouldn't you be sinking? shouldn't he be sinking? shouldn't we be sinking? shouldn't you be sinking? shouldn't they be sinking?
Perfect	V-ing perfect
shouldn't I have sunk? shouldn't you have sunk? shouldn't he have sunk? shouldn't we have sunk? shouldn't you have sunk? shouldn't they have sunk?	shouldn't I have been sinking? shouldn't you have been sinking? shouldn't he have been sinking? shouldn't we have been sinking? shouldn't you have been sinking? shouldn't they have been sinking?