I could merchandize you could merchandize she could merchandize we could merchandize you could merchandize they could merchandize
V-ing form
I could be merchandizing you could be merchandizing she could be merchandizing we could be merchandizing you could be merchandizing they could be merchandizing
Perfect
I could have merchandized you could have merchandized she could have merchandized we could have merchandized you could have merchandized they could have merchandized
V-ing perfect
I could have been merchandizing you could have been merchandizing she could have been merchandizing we could have been merchandizing you could have been merchandizing they could have been merchandizing
Negation
Simple form
I couldn't merchandize you couldn't merchandize she couldn't merchandize we couldn't merchandize you couldn't merchandize they couldn't merchandize
V-ing form
I couldn't be merchandizing you couldn't be merchandizing she couldn't be merchandizing we couldn't be merchandizing you couldn't be merchandizing they couldn't be merchandizing
Perfect
I couldn't have merchandized you couldn't have merchandized she couldn't have merchandized we couldn't have merchandized you couldn't have merchandized they couldn't have merchandized
V-ing perfect
I couldn't have been merchandizing you couldn't have been merchandizing she couldn't have been merchandizing we couldn't have been merchandizing you couldn't have been merchandizing they couldn't have been merchandizing
Interrogative form
Simple form
could I merchandize? could you merchandize? could she merchandize? could we merchandize? could you merchandize? could they merchandize?
V-ing form
could I be merchandizing? could you be merchandizing? could she be merchandizing? could we be merchandizing? could you be merchandizing? could they be merchandizing?
Perfect
could I have merchandized? could you have merchandized? could she have merchandized? could we have merchandized? could you have merchandized? could they have merchandized?
V-ing perfect
could I have been merchandizing? could you have been merchandizing? could she have been merchandizing? could we have been merchandizing? could you have been merchandizing? could they have been merchandizing?
Interro-negative form
Simple form
couldn't I merchandize? couldn't you merchandize? couldn't she merchandize? couldn't we merchandize? couldn't you merchandize? couldn't they merchandize?
V-ing form
couldn't I be merchandizing? couldn't you be merchandizing? couldn't she be merchandizing? couldn't we be merchandizing? couldn't you be merchandizing? couldn't they be merchandizing?
Perfect
couldn't I have merchandized? couldn't you have merchandized? couldn't she have merchandized? couldn't we have merchandized? couldn't you have merchandized? couldn't they have merchandized?
V-ing perfect
couldn't I have been merchandizing? couldn't you have been merchandizing? couldn't she have been merchandizing? couldn't we have been merchandizing? couldn't you have been merchandizing? couldn't they have been merchandizing?