English verb conjugation
CAN LAP

Regular verb: lap - lapped - lapped

Affirmation

Simple form	V-ing form
I can lap you can lap he can lap we can lap you can lap they can lap	I can be lapping you can be lapping he can be lapping we can be lapping you can be lapping they can be lapping
Perfect	V-ing perfect
I can have lapped you can have lapped he can have lapped we can have lapped you can have lapped they can have lapped	I can have been lapping you can have been lapping he can have been lapping we can have been lapping you can have been lapping they can have been lapping

Negation

Simple form	V-ing form
I can't lap you can't lap he can't lap we can't lap you can't lap they can't lap	I can't be lapping you can't be lapping he can't be lapping we can't be lapping you can't be lapping they can't be lapping
Perfect	V-ing perfect
I can't have lapped you can't have lapped he can't have lapped we can't have lapped you can't have lapped they can't have lapped	I can't have been lapping you can't have been lapping he can't have been lapping we can't have been lapping you can't have been lapping they can't have been lapping

Interrogative form

Simple form	V-ing form
can I lap? can you lap? can he lap? can we lap? can you lap? can they lap?	can I be lapping? can you be lapping? can he be lapping? can we be lapping? can you be lapping? can they be lapping?
Perfect	V-ing perfect
can I have lapped? can you have lapped? can he have lapped? can we have lapped? can you have lapped? can they have lapped?	can I have been lapping? can you have been lapping? can he have been lapping? can we have been lapping? can you have been lapping? can they have been lapping?

Interro-negative form

Simple form	V-ing form
can't I lap? can't you lap? can't he lap? can't we lap? can't you lap? can't they lap?	can't I be lapping? can't you be lapping? can't he be lapping? can't we be lapping? can't you be lapping? can't they be lapping?
Perfect	V-ing perfect
can't I have lapped? can't you have lapped? can't he have lapped? can't we have lapped? can't you have lapped? can't they have lapped?	can't I have been lapping? can't you have been lapping? can't he have been lapping? can't we have been lapping? can't you have been lapping? can't they have been lapping?