I can unwind you can unwind she can unwind we can unwind you can unwind they can unwind
V-ing form
I can be unwinding you can be unwinding she can be unwinding we can be unwinding you can be unwinding they can be unwinding
Perfect
I can have unwound you can have unwound she can have unwound we can have unwound you can have unwound they can have unwound
V-ing perfect
I can have been unwinding you can have been unwinding she can have been unwinding we can have been unwinding you can have been unwinding they can have been unwinding
Negation
Simple form
I cannot unwind you cannot unwind she cannot unwind we cannot unwind you cannot unwind they cannot unwind
V-ing form
I cannot be unwinding you cannot be unwinding she cannot be unwinding we cannot be unwinding you cannot be unwinding they cannot be unwinding
Perfect
I cannot have unwound you cannot have unwound she cannot have unwound we cannot have unwound you cannot have unwound they cannot have unwound
V-ing perfect
I cannot have been unwinding you cannot have been unwinding she cannot have been unwinding we cannot have been unwinding you cannot have been unwinding they cannot have been unwinding
Interrogative form
Simple form
can I unwind? can you unwind? can she unwind? can we unwind? can you unwind? can they unwind?
V-ing form
can I be unwinding? can you be unwinding? can she be unwinding? can we be unwinding? can you be unwinding? can they be unwinding?
Perfect
can I have unwound? can you have unwound? can she have unwound? can we have unwound? can you have unwound? can they have unwound?
V-ing perfect
can I have been unwinding? can you have been unwinding? can she have been unwinding? can we have been unwinding? can you have been unwinding? can they have been unwinding?
Interro-negative form
Simple form
can I not unwind? can you not unwind? can she not unwind? can we not unwind? can you not unwind? can they not unwind?
V-ing form
can I not be unwinding? can you not be unwinding? can she not be unwinding? can we not be unwinding? can you not be unwinding? can they not be unwinding?
Perfect
can I not have unwound? can you not have unwound? can she not have unwound? can we not have unwound? can you not have unwound? can they not have unwound?
V-ing perfect
can I not have been unwinding? can you not have been unwinding? can she not have been unwinding? can we not have been unwinding? can you not have been unwinding? can they not have been unwinding?