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