I can shrink you can shrink she can shrink we can shrink you can shrink they can shrink
V-ing form
I can be shrinking you can be shrinking she can be shrinking we can be shrinking you can be shrinking they can be shrinking
Perfect
I can have shrunk you can have shrunk she can have shrunk we can have shrunk you can have shrunk they can have shrunk
V-ing perfect
I can have been shrinking you can have been shrinking she can have been shrinking we can have been shrinking you can have been shrinking they can have been shrinking
Negation
Simple form
I cannot shrink you cannot shrink she cannot shrink we cannot shrink you cannot shrink they cannot shrink
V-ing form
I cannot be shrinking you cannot be shrinking she cannot be shrinking we cannot be shrinking you cannot be shrinking they cannot be shrinking
Perfect
I cannot have shrunk you cannot have shrunk she cannot have shrunk we cannot have shrunk you cannot have shrunk they cannot have shrunk
V-ing perfect
I cannot have been shrinking you cannot have been shrinking she cannot have been shrinking we cannot have been shrinking you cannot have been shrinking they cannot have been shrinking
Interrogative form
Simple form
can I shrink? can you shrink? can she shrink? can we shrink? can you shrink? can they shrink?
V-ing form
can I be shrinking? can you be shrinking? can she be shrinking? can we be shrinking? can you be shrinking? can they be shrinking?
Perfect
can I have shrunk? can you have shrunk? can she have shrunk? can we have shrunk? can you have shrunk? can they have shrunk?
V-ing perfect
can I have been shrinking? can you have been shrinking? can she have been shrinking? can we have been shrinking? can you have been shrinking? can they have been shrinking?
Interro-negative form
Simple form
can I not shrink? can you not shrink? can she not shrink? can we not shrink? can you not shrink? can they not shrink?
V-ing form
can I not be shrinking? can you not be shrinking? can she not be shrinking? can we not be shrinking? can you not be shrinking? can they not be shrinking?
Perfect
can I not have shrunk? can you not have shrunk? can she not have shrunk? can we not have shrunk? can you not have shrunk? can they not have shrunk?
V-ing perfect
can I not have been shrinking? can you not have been shrinking? can she not have been shrinking? can we not have been shrinking? can you not have been shrinking? can they not have been shrinking?