I could overpublicise you could overpublicise he could overpublicise we could overpublicise you could overpublicise they could overpublicise
V-ing form
I could be overpublicising you could be overpublicising he could be overpublicising we could be overpublicising you could be overpublicising they could be overpublicising
Perfect
I could have overpublicised you could have overpublicised he could have overpublicised we could have overpublicised you could have overpublicised they could have overpublicised
V-ing perfect
I could have been overpublicising you could have been overpublicising he could have been overpublicising we could have been overpublicising you could have been overpublicising they could have been overpublicising
Negation
Simple form
I couldn't overpublicise you couldn't overpublicise he couldn't overpublicise we couldn't overpublicise you couldn't overpublicise they couldn't overpublicise
V-ing form
I couldn't be overpublicising you couldn't be overpublicising he couldn't be overpublicising we couldn't be overpublicising you couldn't be overpublicising they couldn't be overpublicising
Perfect
I couldn't have overpublicised you couldn't have overpublicised he couldn't have overpublicised we couldn't have overpublicised you couldn't have overpublicised they couldn't have overpublicised
V-ing perfect
I couldn't have been overpublicising you couldn't have been overpublicising he couldn't have been overpublicising we couldn't have been overpublicising you couldn't have been overpublicising they couldn't have been overpublicising
Interrogative form
Simple form
could I overpublicise? could you overpublicise? could he overpublicise? could we overpublicise? could you overpublicise? could they overpublicise?
V-ing form
could I be overpublicising? could you be overpublicising? could he be overpublicising? could we be overpublicising? could you be overpublicising? could they be overpublicising?
Perfect
could I have overpublicised? could you have overpublicised? could he have overpublicised? could we have overpublicised? could you have overpublicised? could they have overpublicised?
V-ing perfect
could I have been overpublicising? could you have been overpublicising? could he have been overpublicising? could we have been overpublicising? could you have been overpublicising? could they have been overpublicising?
Interro-negative form
Simple form
couldn't I overpublicise? couldn't you overpublicise? couldn't he overpublicise? couldn't we overpublicise? couldn't you overpublicise? couldn't they overpublicise?
V-ing form
couldn't I be overpublicising? couldn't you be overpublicising? couldn't he be overpublicising? couldn't we be overpublicising? couldn't you be overpublicising? couldn't they be overpublicising?
Perfect
couldn't I have overpublicised? couldn't you have overpublicised? couldn't he have overpublicised? couldn't we have overpublicised? couldn't you have overpublicised? couldn't they have overpublicised?
V-ing perfect
couldn't I have been overpublicising? couldn't you have been overpublicising? couldn't he have been overpublicising? couldn't we have been overpublicising? couldn't you have been overpublicising? couldn't they have been overpublicising?