English verb conjugation
CAN LEK

Regular verb: lek - leked - leked

Affirmation

Simple form	V-ing form
I can lek you can lek he can lek we can lek you can lek they can lek	I can be leking you can be leking he can be leking we can be leking you can be leking they can be leking
Perfect	V-ing perfect
I can have leked you can have leked he can have leked we can have leked you can have leked they can have leked	I can have been leking you can have been leking he can have been leking we can have been leking you can have been leking they can have been leking

Negation

Simple form	V-ing form
I can't lek you can't lek he can't lek we can't lek you can't lek they can't lek	I can't be leking you can't be leking he can't be leking we can't be leking you can't be leking they can't be leking
Perfect	V-ing perfect
I can't have leked you can't have leked he can't have leked we can't have leked you can't have leked they can't have leked	I can't have been leking you can't have been leking he can't have been leking we can't have been leking you can't have been leking they can't have been leking

Interrogative form

Simple form	V-ing form
can I lek? can you lek? can he lek? can we lek? can you lek? can they lek?	can I be leking? can you be leking? can he be leking? can we be leking? can you be leking? can they be leking?
Perfect	V-ing perfect
can I have leked? can you have leked? can he have leked? can we have leked? can you have leked? can they have leked?	can I have been leking? can you have been leking? can he have been leking? can we have been leking? can you have been leking? can they have been leking?

Interro-negative form

Simple form	V-ing form
can't I lek? can't you lek? can't he lek? can't we lek? can't you lek? can't they lek?	can't I be leking? can't you be leking? can't he be leking? can't we be leking? can't you be leking? can't they be leking?
Perfect	V-ing perfect
can't I have leked? can't you have leked? can't he have leked? can't we have leked? can't you have leked? can't they have leked?	can't I have been leking? can't you have been leking? can't he have been leking? can't we have been leking? can't you have been leking? can't they have been leking?