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