I could windlass you could windlass he could windlass we could windlass you could windlass they could windlass
V-ing form
I could be windlassing you could be windlassing he could be windlassing we could be windlassing you could be windlassing they could be windlassing
Perfect
I could have windlassed you could have windlassed he 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 he 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 he 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 he 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 he 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 he 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 he windlass? could we windlass? could you windlass? could they windlass?
V-ing form
could I be windlassing? could you be windlassing? could he be windlassing? could we be windlassing? could you be windlassing? could they be windlassing?
Perfect
could I have windlassed? could you have windlassed? could he 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 he 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 he 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 he 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 he 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 he have been windlassing? couldn't we have been windlassing? couldn't you have been windlassing? couldn't they have been windlassing?