I could need you could need she could need we could need you could need they could need
V-ing form
I could be needing you could be needing she could be needing we could be needing you could be needing they could be needing
Perfect
I could have needed you could have needed she could have needed we could have needed you could have needed they could have needed
V-ing perfect
I could have been needing you could have been needing she could have been needing we could have been needing you could have been needing they could have been needing
Negation
Simple form
I couldn't need you couldn't need she couldn't need we couldn't need you couldn't need they couldn't need
V-ing form
I couldn't be needing you couldn't be needing she couldn't be needing we couldn't be needing you couldn't be needing they couldn't be needing
Perfect
I couldn't have needed you couldn't have needed she couldn't have needed we couldn't have needed you couldn't have needed they couldn't have needed
V-ing perfect
I couldn't have been needing you couldn't have been needing she couldn't have been needing we couldn't have been needing you couldn't have been needing they couldn't have been needing
Interrogative form
Simple form
could I need? could you need? could she need? could we need? could you need? could they need?
V-ing form
could I be needing? could you be needing? could she be needing? could we be needing? could you be needing? could they be needing?
Perfect
could I have needed? could you have needed? could she have needed? could we have needed? could you have needed? could they have needed?
V-ing perfect
could I have been needing? could you have been needing? could she have been needing? could we have been needing? could you have been needing? could they have been needing?
Interro-negative form
Simple form
couldn't I need? couldn't you need? couldn't she need? couldn't we need? couldn't you need? couldn't they need?
V-ing form
couldn't I be needing? couldn't you be needing? couldn't she be needing? couldn't we be needing? couldn't you be needing? couldn't they be needing?
Perfect
couldn't I have needed? couldn't you have needed? couldn't she have needed? couldn't we have needed? couldn't you have needed? couldn't they have needed?
V-ing perfect
couldn't I have been needing? couldn't you have been needing? couldn't she have been needing? couldn't we have been needing? couldn't you have been needing? couldn't they have been needing?