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