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