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 cannot leak you cannot leak he cannot leak we cannot leak you cannot leak they cannot leak	I cannot be leaking you cannot be leaking he cannot be leaking we cannot be leaking you cannot be leaking they cannot be leaking
Perfect	V-ing perfect
I cannot have leaked you cannot have leaked he cannot have leaked we cannot have leaked you cannot have leaked they cannot have leaked	I cannot have been leaking you cannot have been leaking he cannot have been leaking we cannot have been leaking you cannot have been leaking they cannot 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 I not leak? can you not leak? can he not leak? can we not leak? can you not leak? can they not leak?	can I not be leaking? can you not be leaking? can he not be leaking? can we not be leaking? can you not be leaking? can they not be leaking?
Perfect	V-ing perfect
can I not have leaked? can you not have leaked? can he not have leaked? can we not have leaked? can you not have leaked? can they not have leaked?	can I not have been leaking? can you not have been leaking? can he not have been leaking? can we not have been leaking? can you not have been leaking? can they not have been leaking?