English verb conjugation
COULD LET

Irregular verb: let - let - let

Affirmation

Simple form	V-ing form
I could let you could let he could let we could let you could let they could let	I could be letting you could be letting he could be letting we could be letting you could be letting they could be letting
Perfect	V-ing perfect
I could have let you could have let he could have let we could have let you could have let they could have let	I could have been letting you could have been letting he could have been letting we could have been letting you could have been letting they could have been letting

Negation

Simple form	V-ing form
I could not let you could not let he could not let we could not let you could not let they could not let	I could not be letting you could not be letting he could not be letting we could not be letting you could not be letting they could not be letting
Perfect	V-ing perfect
I could not have let you could not have let he could not have let we could not have let you could not have let they could not have let	I could not have been letting you could not have been letting he could not have been letting we could not have been letting you could not have been letting they could not have been letting

Interrogative form

Simple form	V-ing form
could I let? could you let? could he let? could we let? could you let? could they let?	could I be letting? could you be letting? could he be letting? could we be letting? could you be letting? could they be letting?
Perfect	V-ing perfect
could I have let? could you have let? could he have let? could we have let? could you have let? could they have let?	could I have been letting? could you have been letting? could he have been letting? could we have been letting? could you have been letting? could they have been letting?

Interro-negative form

Simple form	V-ing form
could I not let? could you not let? could he not let? could we not let? could you not let? could they not let?	could I not be letting? could you not be letting? could he not be letting? could we not be letting? could you not be letting? could they not be letting?
Perfect	V-ing perfect
could I not have let? could you not have let? could he not have let? could we not have let? could you not have let? could they not have let?	could I not have been letting? could you not have been letting? could he not have been letting? could we not have been letting? could you not have been letting? could they not have been letting?