I could mass-market you could mass-market she could mass-market we could mass-market you could mass-market they could mass-market
V-ing form
I could be mass-marketing you could be mass-marketing she could be mass-marketing we could be mass-marketing you could be mass-marketing they could be mass-marketing
Perfect
I could have mass-marketed you could have mass-marketed she could have mass-marketed we could have mass-marketed you could have mass-marketed they could have mass-marketed
V-ing perfect
I could have been mass-marketing you could have been mass-marketing she could have been mass-marketing we could have been mass-marketing you could have been mass-marketing they could have been mass-marketing
Negation
Simple form
I could not mass-market you could not mass-market she could not mass-market we could not mass-market you could not mass-market they could not mass-market
V-ing form
I could not be mass-marketing you could not be mass-marketing she could not be mass-marketing we could not be mass-marketing you could not be mass-marketing they could not be mass-marketing
Perfect
I could not have mass-marketed you could not have mass-marketed she could not have mass-marketed we could not have mass-marketed you could not have mass-marketed they could not have mass-marketed
V-ing perfect
I could not have been mass-marketing you could not have been mass-marketing she could not have been mass-marketing we could not have been mass-marketing you could not have been mass-marketing they could not have been mass-marketing
Interrogative form
Simple form
could I mass-market? could you mass-market? could she mass-market? could we mass-market? could you mass-market? could they mass-market?
V-ing form
could I be mass-marketing? could you be mass-marketing? could she be mass-marketing? could we be mass-marketing? could you be mass-marketing? could they be mass-marketing?
Perfect
could I have mass-marketed? could you have mass-marketed? could she have mass-marketed? could we have mass-marketed? could you have mass-marketed? could they have mass-marketed?
V-ing perfect
could I have been mass-marketing? could you have been mass-marketing? could she have been mass-marketing? could we have been mass-marketing? could you have been mass-marketing? could they have been mass-marketing?
Interro-negative form
Simple form
could I not mass-market? could you not mass-market? could she not mass-market? could we not mass-market? could you not mass-market? could they not mass-market?
V-ing form
could I not be mass-marketing? could you not be mass-marketing? could she not be mass-marketing? could we not be mass-marketing? could you not be mass-marketing? could they not be mass-marketing?
Perfect
could I not have mass-marketed? could you not have mass-marketed? could she not have mass-marketed? could we not have mass-marketed? could you not have mass-marketed? could they not have mass-marketed?
V-ing perfect
could I not have been mass-marketing? could you not have been mass-marketing? could she not have been mass-marketing? could we not have been mass-marketing? could you not have been mass-marketing? could they not have been mass-marketing?