English verb conjugation
COULD ANESTHETISE

Regular verb: anesthetise - anesthetised - anesthetised

Affirmation

Simple form	V-ing form
I could anesthetise you could anesthetise he could anesthetise we could anesthetise you could anesthetise they could anesthetise	I could be anesthetising you could be anesthetising he could be anesthetising we could be anesthetising you could be anesthetising they could be anesthetising
Perfect	V-ing perfect
I could have anesthetised you could have anesthetised he could have anesthetised we could have anesthetised you could have anesthetised they could have anesthetised	I could have been anesthetising you could have been anesthetising he could have been anesthetising we could have been anesthetising you could have been anesthetising they could have been anesthetising

Negation

Simple form	V-ing form
I couldn't anesthetise you couldn't anesthetise he couldn't anesthetise we couldn't anesthetise you couldn't anesthetise they couldn't anesthetise	I couldn't be anesthetising you couldn't be anesthetising he couldn't be anesthetising we couldn't be anesthetising you couldn't be anesthetising they couldn't be anesthetising
Perfect	V-ing perfect
I couldn't have anesthetised you couldn't have anesthetised he couldn't have anesthetised we couldn't have anesthetised you couldn't have anesthetised they couldn't have anesthetised	I couldn't have been anesthetising you couldn't have been anesthetising he couldn't have been anesthetising we couldn't have been anesthetising you couldn't have been anesthetising they couldn't have been anesthetising

Interrogative form

Simple form	V-ing form
could I anesthetise? could you anesthetise? could he anesthetise? could we anesthetise? could you anesthetise? could they anesthetise?	could I be anesthetising? could you be anesthetising? could he be anesthetising? could we be anesthetising? could you be anesthetising? could they be anesthetising?
Perfect	V-ing perfect
could I have anesthetised? could you have anesthetised? could he have anesthetised? could we have anesthetised? could you have anesthetised? could they have anesthetised?	could I have been anesthetising? could you have been anesthetising? could he have been anesthetising? could we have been anesthetising? could you have been anesthetising? could they have been anesthetising?

Interro-negative form

Simple form	V-ing form
couldn't I anesthetise? couldn't you anesthetise? couldn't he anesthetise? couldn't we anesthetise? couldn't you anesthetise? couldn't they anesthetise?	couldn't I be anesthetising? couldn't you be anesthetising? couldn't he be anesthetising? couldn't we be anesthetising? couldn't you be anesthetising? couldn't they be anesthetising?
Perfect	V-ing perfect
couldn't I have anesthetised? couldn't you have anesthetised? couldn't he have anesthetised? couldn't we have anesthetised? couldn't you have anesthetised? couldn't they have anesthetised?	couldn't I have been anesthetising? couldn't you have been anesthetising? couldn't he have been anesthetising? couldn't we have been anesthetising? couldn't you have been anesthetising? couldn't they have been anesthetising?