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 couldn't let you couldn't let he couldn't let we couldn't let you couldn't let they couldn't let	I couldn't be letting you couldn't be letting he couldn't be letting we couldn't be letting you couldn't be letting they couldn't be letting
Perfect	V-ing perfect
I couldn't have let you couldn't have let he couldn't have let we couldn't have let you couldn't have let they couldn't have let	I couldn't have been letting you couldn't have been letting he couldn't have been letting we couldn't have been letting you couldn't have been letting they couldn't 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
couldn't I let? couldn't you let? couldn't he let? couldn't we let? couldn't you let? couldn't they let?	couldn't I be letting? couldn't you be letting? couldn't he be letting? couldn't we be letting? couldn't you be letting? couldn't they be letting?
Perfect	V-ing perfect
couldn't I have let? couldn't you have let? couldn't he have let? couldn't we have let? couldn't you have let? couldn't they have let?	couldn't I have been letting? couldn't you have been letting? couldn't he have been letting? couldn't we have been letting? couldn't you have been letting? couldn't they have been letting?