English verb conjugation
COULD MASS-MARKET

Regular verb: mass-market - mass-marketed - mass-marketed

Affirmation

Simple form	V-ing form
I could mass-market you could mass-market he could mass-market we could mass-market you could mass-market they could mass-market	I could be mass-marketing you could be mass-marketing he could be mass-marketing we could be mass-marketing you could be mass-marketing they could be mass-marketing
Perfect	V-ing perfect
I could have mass-marketed you could have mass-marketed he could have mass-marketed we could have mass-marketed you could have mass-marketed they could have mass-marketed	I could have been mass-marketing you could have been mass-marketing he 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	V-ing form
I couldn't mass-market you couldn't mass-market he couldn't mass-market we couldn't mass-market you couldn't mass-market they couldn't mass-market	I couldn't be mass-marketing you couldn't be mass-marketing he couldn't be mass-marketing we couldn't be mass-marketing you couldn't be mass-marketing they couldn't be mass-marketing
Perfect	V-ing perfect
I couldn't have mass-marketed you couldn't have mass-marketed he couldn't have mass-marketed we couldn't have mass-marketed you couldn't have mass-marketed they couldn't have mass-marketed	I couldn't have been mass-marketing you couldn't have been mass-marketing he couldn't have been mass-marketing we couldn't have been mass-marketing you couldn't have been mass-marketing they couldn't have been mass-marketing

Interrogative form

Simple form	V-ing form
could I mass-market? could you mass-market? could he mass-market? could we mass-market? could you mass-market? could they mass-market?	could I be mass-marketing? could you be mass-marketing? could he be mass-marketing? could we be mass-marketing? could you be mass-marketing? could they be mass-marketing?
Perfect	V-ing perfect
could I have mass-marketed? could you have mass-marketed? could he have mass-marketed? could we have mass-marketed? could you have mass-marketed? could they have mass-marketed?	could I have been mass-marketing? could you have been mass-marketing? could he 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	V-ing form
couldn't I mass-market? couldn't you mass-market? couldn't he mass-market? couldn't we mass-market? couldn't you mass-market? couldn't they mass-market?	couldn't I be mass-marketing? couldn't you be mass-marketing? couldn't he be mass-marketing? couldn't we be mass-marketing? couldn't you be mass-marketing? couldn't they be mass-marketing?
Perfect	V-ing perfect
couldn't I have mass-marketed? couldn't you have mass-marketed? couldn't he have mass-marketed? couldn't we have mass-marketed? couldn't you have mass-marketed? couldn't they have mass-marketed?	couldn't I have been mass-marketing? couldn't you have been mass-marketing? couldn't he have been mass-marketing? couldn't we have been mass-marketing? couldn't you have been mass-marketing? couldn't they have been mass-marketing?