I can shamble you can shamble he can shamble we can shamble you can shamble they can shamble
V-ing form
I can be shambling you can be shambling he can be shambling we can be shambling you can be shambling they can be shambling
Perfect
I can have shambled you can have shambled he can have shambled we can have shambled you can have shambled they can have shambled
V-ing perfect
I can have been shambling you can have been shambling he can have been shambling we can have been shambling you can have been shambling they can have been shambling
Negation
Simple form
I cannot shamble you cannot shamble he cannot shamble we cannot shamble you cannot shamble they cannot shamble
V-ing form
I cannot be shambling you cannot be shambling he cannot be shambling we cannot be shambling you cannot be shambling they cannot be shambling
Perfect
I cannot have shambled you cannot have shambled he cannot have shambled we cannot have shambled you cannot have shambled they cannot have shambled
V-ing perfect
I cannot have been shambling you cannot have been shambling he cannot have been shambling we cannot have been shambling you cannot have been shambling they cannot have been shambling
Interrogative form
Simple form
can I shamble? can you shamble? can he shamble? can we shamble? can you shamble? can they shamble?
V-ing form
can I be shambling? can you be shambling? can he be shambling? can we be shambling? can you be shambling? can they be shambling?
Perfect
can I have shambled? can you have shambled? can he have shambled? can we have shambled? can you have shambled? can they have shambled?
V-ing perfect
can I have been shambling? can you have been shambling? can he have been shambling? can we have been shambling? can you have been shambling? can they have been shambling?
Interro-negative form
Simple form
can I not shamble? can you not shamble? can he not shamble? can we not shamble? can you not shamble? can they not shamble?
V-ing form
can I not be shambling? can you not be shambling? can he not be shambling? can we not be shambling? can you not be shambling? can they not be shambling?
Perfect
can I not have shambled? can you not have shambled? can he not have shambled? can we not have shambled? can you not have shambled? can they not have shambled?
V-ing perfect
can I not have been shambling? can you not have been shambling? can he not have been shambling? can we not have been shambling? can you not have been shambling? can they not have been shambling?