I can wobble you can wobble she can wobble we can wobble you can wobble they can wobble
V-ing form
I can be wobbling you can be wobbling she can be wobbling we can be wobbling you can be wobbling they can be wobbling
Perfect
I can have wobbled you can have wobbled she can have wobbled we can have wobbled you can have wobbled they can have wobbled
V-ing perfect
I can have been wobbling you can have been wobbling she can have been wobbling we can have been wobbling you can have been wobbling they can have been wobbling
Negation
Simple form
I cannot wobble you cannot wobble she cannot wobble we cannot wobble you cannot wobble they cannot wobble
V-ing form
I cannot be wobbling you cannot be wobbling she cannot be wobbling we cannot be wobbling you cannot be wobbling they cannot be wobbling
Perfect
I cannot have wobbled you cannot have wobbled she cannot have wobbled we cannot have wobbled you cannot have wobbled they cannot have wobbled
V-ing perfect
I cannot have been wobbling you cannot have been wobbling she cannot have been wobbling we cannot have been wobbling you cannot have been wobbling they cannot have been wobbling
Interrogative form
Simple form
can I wobble? can you wobble? can she wobble? can we wobble? can you wobble? can they wobble?
V-ing form
can I be wobbling? can you be wobbling? can she be wobbling? can we be wobbling? can you be wobbling? can they be wobbling?
Perfect
can I have wobbled? can you have wobbled? can she have wobbled? can we have wobbled? can you have wobbled? can they have wobbled?
V-ing perfect
can I have been wobbling? can you have been wobbling? can she have been wobbling? can we have been wobbling? can you have been wobbling? can they have been wobbling?
Interro-negative form
Simple form
can I not wobble? can you not wobble? can she not wobble? can we not wobble? can you not wobble? can they not wobble?
V-ing form
can I not be wobbling? can you not be wobbling? can she not be wobbling? can we not be wobbling? can you not be wobbling? can they not be wobbling?
Perfect
can I not have wobbled? can you not have wobbled? can she not have wobbled? can we not have wobbled? can you not have wobbled? can they not have wobbled?
V-ing perfect
can I not have been wobbling? can you not have been wobbling? can she not have been wobbling? can we not have been wobbling? can you not have been wobbling? can they not have been wobbling?