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