English verb conjugation
COULD LEK

Regular verb: lek - leked - leked

Affirmation

Simple form	V-ing form
I could lek you could lek she could lek we could lek you could lek they could lek	I could be leking you could be leking she 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 she 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 she 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 she 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 she 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 she 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 she 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 she lek? could we lek? could you lek? could they lek?	could I be leking? could you be leking? could she 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 she 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 she 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 she 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 she 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 she 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 she have been leking? couldn't we have been leking? couldn't you have been leking? couldn't they have been leking?