English verb conjugation
CAN LEAK

Regular verb: leak - leaked - leaked

Affirmation

Simple form	V-ing form
I can leak you can leak he can leak we can leak you can leak they can leak	I can be leaking you can be leaking he can be leaking we can be leaking you can be leaking they can be leaking
Perfect	V-ing perfect
I can have leaked you can have leaked he can have leaked we can have leaked you can have leaked they can have leaked	I can have been leaking you can have been leaking he can have been leaking we can have been leaking you can have been leaking they can have been leaking

Negation

Simple form	V-ing form
I can't leak you can't leak he can't leak we can't leak you can't leak they can't leak	I can't be leaking you can't be leaking he can't be leaking we can't be leaking you can't be leaking they can't be leaking
Perfect	V-ing perfect
I can't have leaked you can't have leaked he can't have leaked we can't have leaked you can't have leaked they can't have leaked	I can't have been leaking you can't have been leaking he can't have been leaking we can't have been leaking you can't have been leaking they can't have been leaking

Interrogative form

Simple form	V-ing form
can I leak? can you leak? can he leak? can we leak? can you leak? can they leak?	can I be leaking? can you be leaking? can he be leaking? can we be leaking? can you be leaking? can they be leaking?
Perfect	V-ing perfect
can I have leaked? can you have leaked? can he have leaked? can we have leaked? can you have leaked? can they have leaked?	can I have been leaking? can you have been leaking? can he have been leaking? can we have been leaking? can you have been leaking? can they have been leaking?

Interro-negative form

Simple form	V-ing form
can't I leak? can't you leak? can't he leak? can't we leak? can't you leak? can't they leak?	can't I be leaking? can't you be leaking? can't he be leaking? can't we be leaking? can't you be leaking? can't they be leaking?
Perfect	V-ing perfect
can't I have leaked? can't you have leaked? can't he have leaked? can't we have leaked? can't you have leaked? can't they have leaked?	can't I have been leaking? can't you have been leaking? can't he have been leaking? can't we have been leaking? can't you have been leaking? can't they have been leaking?