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