English verb conjugation
CAN SINK

Irregular verb: sink - sank, sunk - sunk

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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