English verb conjugation
COULD RECEIVE

Regular verb: receive - received - received

Affirmation

Simple form	V-ing form
I could receive you could receive she could receive we could receive you could receive they could receive	I could be receiving you could be receiving she could be receiving we could be receiving you could be receiving they could be receiving
Perfect	V-ing perfect
I could have received you could have received she could have received we could have received you could have received they could have received	I could have been receiving you could have been receiving she could have been receiving we could have been receiving you could have been receiving they could have been receiving

Negation

Simple form	V-ing form
I couldn't receive you couldn't receive she couldn't receive we couldn't receive you couldn't receive they couldn't receive	I couldn't be receiving you couldn't be receiving she couldn't be receiving we couldn't be receiving you couldn't be receiving they couldn't be receiving
Perfect	V-ing perfect
I couldn't have received you couldn't have received she couldn't have received we couldn't have received you couldn't have received they couldn't have received	I couldn't have been receiving you couldn't have been receiving she couldn't have been receiving we couldn't have been receiving you couldn't have been receiving they couldn't have been receiving

Interrogative form

Simple form	V-ing form
could I receive? could you receive? could she receive? could we receive? could you receive? could they receive?	could I be receiving? could you be receiving? could she be receiving? could we be receiving? could you be receiving? could they be receiving?
Perfect	V-ing perfect
could I have received? could you have received? could she have received? could we have received? could you have received? could they have received?	could I have been receiving? could you have been receiving? could she have been receiving? could we have been receiving? could you have been receiving? could they have been receiving?

Interro-negative form

Simple form	V-ing form
couldn't I receive? couldn't you receive? couldn't she receive? couldn't we receive? couldn't you receive? couldn't they receive?	couldn't I be receiving? couldn't you be receiving? couldn't she be receiving? couldn't we be receiving? couldn't you be receiving? couldn't they be receiving?
Perfect	V-ing perfect
couldn't I have received? couldn't you have received? couldn't she have received? couldn't we have received? couldn't you have received? couldn't they have received?	couldn't I have been receiving? couldn't you have been receiving? couldn't she have been receiving? couldn't we have been receiving? couldn't you have been receiving? couldn't they have been receiving?