English verb conjugation
COULD PREMARKET

Regular verb: premarket - premarketed - premarketed

Affirmation

Simple form	V-ing form
I could premarket you could premarket he could premarket we could premarket you could premarket they could premarket	I could be premarketing you could be premarketing he could be premarketing we could be premarketing you could be premarketing they could be premarketing
Perfect	V-ing perfect
I could have premarketed you could have premarketed he could have premarketed we could have premarketed you could have premarketed they could have premarketed	I could have been premarketing you could have been premarketing he could have been premarketing we could have been premarketing you could have been premarketing they could have been premarketing

Negation

Simple form	V-ing form
I couldn't premarket you couldn't premarket he couldn't premarket we couldn't premarket you couldn't premarket they couldn't premarket	I couldn't be premarketing you couldn't be premarketing he couldn't be premarketing we couldn't be premarketing you couldn't be premarketing they couldn't be premarketing
Perfect	V-ing perfect
I couldn't have premarketed you couldn't have premarketed he couldn't have premarketed we couldn't have premarketed you couldn't have premarketed they couldn't have premarketed	I couldn't have been premarketing you couldn't have been premarketing he couldn't have been premarketing we couldn't have been premarketing you couldn't have been premarketing they couldn't have been premarketing

Interrogative form

Simple form	V-ing form
could I premarket? could you premarket? could he premarket? could we premarket? could you premarket? could they premarket?	could I be premarketing? could you be premarketing? could he be premarketing? could we be premarketing? could you be premarketing? could they be premarketing?
Perfect	V-ing perfect
could I have premarketed? could you have premarketed? could he have premarketed? could we have premarketed? could you have premarketed? could they have premarketed?	could I have been premarketing? could you have been premarketing? could he have been premarketing? could we have been premarketing? could you have been premarketing? could they have been premarketing?

Interro-negative form

Simple form	V-ing form
couldn't I premarket? couldn't you premarket? couldn't he premarket? couldn't we premarket? couldn't you premarket? couldn't they premarket?	couldn't I be premarketing? couldn't you be premarketing? couldn't he be premarketing? couldn't we be premarketing? couldn't you be premarketing? couldn't they be premarketing?
Perfect	V-ing perfect
couldn't I have premarketed? couldn't you have premarketed? couldn't he have premarketed? couldn't we have premarketed? couldn't you have premarketed? couldn't they have premarketed?	couldn't I have been premarketing? couldn't you have been premarketing? couldn't he have been premarketing? couldn't we have been premarketing? couldn't you have been premarketing? couldn't they have been premarketing?