I could fair-trade you could fair-trade she could fair-trade we could fair-trade you could fair-trade they could fair-trade
V-ing form
I could be fair-trading you could be fair-trading she could be fair-trading we could be fair-trading you could be fair-trading they could be fair-trading
Perfect
I could have fair-traded you could have fair-traded she could have fair-traded we could have fair-traded you could have fair-traded they could have fair-traded
V-ing perfect
I could have been fair-trading you could have been fair-trading she could have been fair-trading we could have been fair-trading you could have been fair-trading they could have been fair-trading
Negation
Simple form
I couldn't fair-trade you couldn't fair-trade she couldn't fair-trade we couldn't fair-trade you couldn't fair-trade they couldn't fair-trade
V-ing form
I couldn't be fair-trading you couldn't be fair-trading she couldn't be fair-trading we couldn't be fair-trading you couldn't be fair-trading they couldn't be fair-trading
Perfect
I couldn't have fair-traded you couldn't have fair-traded she couldn't have fair-traded we couldn't have fair-traded you couldn't have fair-traded they couldn't have fair-traded
V-ing perfect
I couldn't have been fair-trading you couldn't have been fair-trading she couldn't have been fair-trading we couldn't have been fair-trading you couldn't have been fair-trading they couldn't have been fair-trading
Interrogative form
Simple form
could I fair-trade? could you fair-trade? could she fair-trade? could we fair-trade? could you fair-trade? could they fair-trade?
V-ing form
could I be fair-trading? could you be fair-trading? could she be fair-trading? could we be fair-trading? could you be fair-trading? could they be fair-trading?
Perfect
could I have fair-traded? could you have fair-traded? could she have fair-traded? could we have fair-traded? could you have fair-traded? could they have fair-traded?
V-ing perfect
could I have been fair-trading? could you have been fair-trading? could she have been fair-trading? could we have been fair-trading? could you have been fair-trading? could they have been fair-trading?
Interro-negative form
Simple form
couldn't I fair-trade? couldn't you fair-trade? couldn't she fair-trade? couldn't we fair-trade? couldn't you fair-trade? couldn't they fair-trade?
V-ing form
couldn't I be fair-trading? couldn't you be fair-trading? couldn't she be fair-trading? couldn't we be fair-trading? couldn't you be fair-trading? couldn't they be fair-trading?
Perfect
couldn't I have fair-traded? couldn't you have fair-traded? couldn't she have fair-traded? couldn't we have fair-traded? couldn't you have fair-traded? couldn't they have fair-traded?
V-ing perfect
couldn't I have been fair-trading? couldn't you have been fair-trading? couldn't she have been fair-trading? couldn't we have been fair-trading? couldn't you have been fair-trading? couldn't they have been fair-trading?