English verb conjugation
SHOULD SINK

Irregular verb: sink - sank, sunk - sunk

Affirmation

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

Negation

Simple form	V-ing form
I should not sink you should not sink he should not sink we should not sink you should not sink they should not sink	I should not be sinking you should not be sinking he should not be sinking we should not be sinking you should not be sinking they should not be sinking
Perfect	V-ing perfect
I should not have sunk you should not have sunk he should not have sunk we should not have sunk you should not have sunk they should not have sunk	I should not have been sinking you should not have been sinking he should not have been sinking we should not have been sinking you should not have been sinking they should not 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
should I not sink? should you not sink? should he not sink? should we not sink? should you not sink? should they not sink?	should I not be sinking? should you not be sinking? should he not be sinking? should we not be sinking? should you not be sinking? should they not be sinking?
Perfect	V-ing perfect
should I not have sunk? should you not have sunk? should he not have sunk? should we not have sunk? should you not have sunk? should they not have sunk?	should I not have been sinking? should you not have been sinking? should he not have been sinking? should we not have been sinking? should you not have been sinking? should they not have been sinking?