I could contextualise you could contextualise she could contextualise we could contextualise you could contextualise they could contextualise
V-ing form
I could be contextualising you could be contextualising she could be contextualising we could be contextualising you could be contextualising they could be contextualising
Perfect
I could have contextualised you could have contextualised she could have contextualised we could have contextualised you could have contextualised they could have contextualised
V-ing perfect
I could have been contextualising you could have been contextualising she could have been contextualising we could have been contextualising you could have been contextualising they could have been contextualising
Negation
Simple form
I could not contextualise you could not contextualise she could not contextualise we could not contextualise you could not contextualise they could not contextualise
V-ing form
I could not be contextualising you could not be contextualising she could not be contextualising we could not be contextualising you could not be contextualising they could not be contextualising
Perfect
I could not have contextualised you could not have contextualised she could not have contextualised we could not have contextualised you could not have contextualised they could not have contextualised
V-ing perfect
I could not have been contextualising you could not have been contextualising she could not have been contextualising we could not have been contextualising you could not have been contextualising they could not have been contextualising
Interrogative form
Simple form
could I contextualise? could you contextualise? could she contextualise? could we contextualise? could you contextualise? could they contextualise?
V-ing form
could I be contextualising? could you be contextualising? could she be contextualising? could we be contextualising? could you be contextualising? could they be contextualising?
Perfect
could I have contextualised? could you have contextualised? could she have contextualised? could we have contextualised? could you have contextualised? could they have contextualised?
V-ing perfect
could I have been contextualising? could you have been contextualising? could she have been contextualising? could we have been contextualising? could you have been contextualising? could they have been contextualising?
Interro-negative form
Simple form
could I not contextualise? could you not contextualise? could she not contextualise? could we not contextualise? could you not contextualise? could they not contextualise?
V-ing form
could I not be contextualising? could you not be contextualising? could she not be contextualising? could we not be contextualising? could you not be contextualising? could they not be contextualising?
Perfect
could I not have contextualised? could you not have contextualised? could she not have contextualised? could we not have contextualised? could you not have contextualised? could they not have contextualised?
V-ing perfect
could I not have been contextualising? could you not have been contextualising? could she not have been contextualising? could we not have been contextualising? could you not have been contextualising? could they not have been contextualising?