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