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