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