I could babarise you could babarise she could babarise we could babarise you could babarise they could babarise
V-ing form
I could be babarising you could be babarising she could be babarising we could be babarising you could be babarising they could be babarising
Perfect
I could have babarised you could have babarised she could have babarised we could have babarised you could have babarised they could have babarised
V-ing perfect
I could have been babarising you could have been babarising she could have been babarising we could have been babarising you could have been babarising they could have been babarising
Negation
Simple form
I couldn't babarise you couldn't babarise she couldn't babarise we couldn't babarise you couldn't babarise they couldn't babarise
V-ing form
I couldn't be babarising you couldn't be babarising she couldn't be babarising we couldn't be babarising you couldn't be babarising they couldn't be babarising
Perfect
I couldn't have babarised you couldn't have babarised she couldn't have babarised we couldn't have babarised you couldn't have babarised they couldn't have babarised
V-ing perfect
I couldn't have been babarising you couldn't have been babarising she couldn't have been babarising we couldn't have been babarising you couldn't have been babarising they couldn't have been babarising
Interrogative form
Simple form
could I babarise? could you babarise? could she babarise? could we babarise? could you babarise? could they babarise?
V-ing form
could I be babarising? could you be babarising? could she be babarising? could we be babarising? could you be babarising? could they be babarising?
Perfect
could I have babarised? could you have babarised? could she have babarised? could we have babarised? could you have babarised? could they have babarised?
V-ing perfect
could I have been babarising? could you have been babarising? could she have been babarising? could we have been babarising? could you have been babarising? could they have been babarising?
Interro-negative form
Simple form
couldn't I babarise? couldn't you babarise? couldn't she babarise? couldn't we babarise? couldn't you babarise? couldn't they babarise?
V-ing form
couldn't I be babarising? couldn't you be babarising? couldn't she be babarising? couldn't we be babarising? couldn't you be babarising? couldn't they be babarising?
Perfect
couldn't I have babarised? couldn't you have babarised? couldn't she have babarised? couldn't we have babarised? couldn't you have babarised? couldn't they have babarised?
V-ing perfect
couldn't I have been babarising? couldn't you have been babarising? couldn't she have been babarising? couldn't we have been babarising? couldn't you have been babarising? couldn't they have been babarising?