English verb conjugation
COULD SHAMBLE

Regular verb: shamble - shambled - shambled

Affirmation

Simple form	V-ing form
I could shamble you could shamble he could shamble we could shamble you could shamble they could shamble	I could be shambling you could be shambling he could be shambling we could be shambling you could be shambling they could be shambling
Perfect	V-ing perfect
I could have shambled you could have shambled he could have shambled we could have shambled you could have shambled they could have shambled	I could have been shambling you could have been shambling he could have been shambling we could have been shambling you could have been shambling they could have been shambling

Negation

Simple form	V-ing form
I couldn't shamble you couldn't shamble he couldn't shamble we couldn't shamble you couldn't shamble they couldn't shamble	I couldn't be shambling you couldn't be shambling he couldn't be shambling we couldn't be shambling you couldn't be shambling they couldn't be shambling
Perfect	V-ing perfect
I couldn't have shambled you couldn't have shambled he couldn't have shambled we couldn't have shambled you couldn't have shambled they couldn't have shambled	I couldn't have been shambling you couldn't have been shambling he couldn't have been shambling we couldn't have been shambling you couldn't have been shambling they couldn't have been shambling

Interrogative form

Simple form	V-ing form
could I shamble? could you shamble? could he shamble? could we shamble? could you shamble? could they shamble?	could I be shambling? could you be shambling? could he be shambling? could we be shambling? could you be shambling? could they be shambling?
Perfect	V-ing perfect
could I have shambled? could you have shambled? could he have shambled? could we have shambled? could you have shambled? could they have shambled?	could I have been shambling? could you have been shambling? could he have been shambling? could we have been shambling? could you have been shambling? could they have been shambling?

Interro-negative form

Simple form	V-ing form
couldn't I shamble? couldn't you shamble? couldn't he shamble? couldn't we shamble? couldn't you shamble? couldn't they shamble?	couldn't I be shambling? couldn't you be shambling? couldn't he be shambling? couldn't we be shambling? couldn't you be shambling? couldn't they be shambling?
Perfect	V-ing perfect
couldn't I have shambled? couldn't you have shambled? couldn't he have shambled? couldn't we have shambled? couldn't you have shambled? couldn't they have shambled?	couldn't I have been shambling? couldn't you have been shambling? couldn't he have been shambling? couldn't we have been shambling? couldn't you have been shambling? couldn't they have been shambling?