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