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