I could anaesthetise you could anaesthetise she could anaesthetise we could anaesthetise you could anaesthetise they could anaesthetise
V-ing form
I could be anaesthetising you could be anaesthetising she could be anaesthetising we could be anaesthetising you could be anaesthetising they could be anaesthetising
Perfect
I could have anaesthetised you could have anaesthetised she could have anaesthetised we could have anaesthetised you could have anaesthetised they could have anaesthetised
V-ing perfect
I could have been anaesthetising you could have been anaesthetising she could have been anaesthetising we could have been anaesthetising you could have been anaesthetising they could have been anaesthetising
Negation
Simple form
I could not anaesthetise you could not anaesthetise she could not anaesthetise we could not anaesthetise you could not anaesthetise they could not anaesthetise
V-ing form
I could not be anaesthetising you could not be anaesthetising she could not be anaesthetising we could not be anaesthetising you could not be anaesthetising they could not be anaesthetising
Perfect
I could not have anaesthetised you could not have anaesthetised she could not have anaesthetised we could not have anaesthetised you could not have anaesthetised they could not have anaesthetised
V-ing perfect
I could not have been anaesthetising you could not have been anaesthetising she could not have been anaesthetising we could not have been anaesthetising you could not have been anaesthetising they could not have been anaesthetising
Interrogative form
Simple form
could I anaesthetise? could you anaesthetise? could she anaesthetise? could we anaesthetise? could you anaesthetise? could they anaesthetise?
V-ing form
could I be anaesthetising? could you be anaesthetising? could she be anaesthetising? could we be anaesthetising? could you be anaesthetising? could they be anaesthetising?
Perfect
could I have anaesthetised? could you have anaesthetised? could she have anaesthetised? could we have anaesthetised? could you have anaesthetised? could they have anaesthetised?
V-ing perfect
could I have been anaesthetising? could you have been anaesthetising? could she have been anaesthetising? could we have been anaesthetising? could you have been anaesthetising? could they have been anaesthetising?
Interro-negative form
Simple form
could I not anaesthetise? could you not anaesthetise? could she not anaesthetise? could we not anaesthetise? could you not anaesthetise? could they not anaesthetise?
V-ing form
could I not be anaesthetising? could you not be anaesthetising? could she not be anaesthetising? could we not be anaesthetising? could you not be anaesthetising? could they not be anaesthetising?
Perfect
could I not have anaesthetised? could you not have anaesthetised? could she not have anaesthetised? could we not have anaesthetised? could you not have anaesthetised? could they not have anaesthetised?
V-ing perfect
could I not have been anaesthetising? could you not have been anaesthetising? could she not have been anaesthetising? could we not have been anaesthetising? could you not have been anaesthetising? could they not have been anaesthetising?