English verb conjugation
COULD LEK

Regular verb: lek - leked - leked

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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