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