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