can leak
Regular verb: leak - leaked- leaked

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