I could overpublicise you could overpublicise she could overpublicise we could overpublicise you could overpublicise they could overpublicise
V-ing form
I could be overpublicising you could be overpublicising she could be overpublicising we could be overpublicising you could be overpublicising they could be overpublicising
Perfect
I could have overpublicised you could have overpublicised she 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 she 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 she 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 she 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 she 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 she 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 she overpublicise? could we overpublicise? could you overpublicise? could they overpublicise?
V-ing form
could I be overpublicising? could you be overpublicising? could she be overpublicising? could we be overpublicising? could you be overpublicising? could they be overpublicising?
Perfect
could I have overpublicised? could you have overpublicised? could she 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 she 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 she 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 she 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 she 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 she have been overpublicising? couldn't we have been overpublicising? couldn't you have been overpublicising? couldn't they have been overpublicising?