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 can't wobble you can't wobble she can't wobble we can't wobble you can't wobble they can't wobble
V-ing form
I can't be wobbling you can't be wobbling she can't be wobbling we can't be wobbling you can't be wobbling they can't be wobbling
Perfect
I can't have wobbled you can't have wobbled she can't have wobbled we can't have wobbled you can't have wobbled they can't have wobbled
V-ing perfect
I can't have been wobbling you can't have been wobbling she can't have been wobbling we can't have been wobbling you can't have been wobbling they can't 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't I wobble? can't you wobble? can't she wobble? can't we wobble? can't you wobble? can't they wobble?
V-ing form
can't I be wobbling? can't you be wobbling? can't she be wobbling? can't we be wobbling? can't you be wobbling? can't they be wobbling?
Perfect
can't I have wobbled? can't you have wobbled? can't she have wobbled? can't we have wobbled? can't you have wobbled? can't they have wobbled?
V-ing perfect
can't I have been wobbling? can't you have been wobbling? can't she have been wobbling? can't we have been wobbling? can't you have been wobbling? can't they have been wobbling?