English verb conjugation
COULD STAPEDECTOMISE

Regular verb: stapedectomise - stapedectomised - stapedectomised

Affirmation

Simple form	V-ing form
I could stapedectomise you could stapedectomise he could stapedectomise we could stapedectomise you could stapedectomise they could stapedectomise	I could be stapedectomising you could be stapedectomising he could be stapedectomising we could be stapedectomising you could be stapedectomising they could be stapedectomising
Perfect	V-ing perfect
I could have stapedectomised you could have stapedectomised he could have stapedectomised we could have stapedectomised you could have stapedectomised they could have stapedectomised	I could have been stapedectomising you could have been stapedectomising he could have been stapedectomising we could have been stapedectomising you could have been stapedectomising they could have been stapedectomising

Negation

Simple form	V-ing form
I couldn't stapedectomise you couldn't stapedectomise he couldn't stapedectomise we couldn't stapedectomise you couldn't stapedectomise they couldn't stapedectomise	I couldn't be stapedectomising you couldn't be stapedectomising he couldn't be stapedectomising we couldn't be stapedectomising you couldn't be stapedectomising they couldn't be stapedectomising
Perfect	V-ing perfect
I couldn't have stapedectomised you couldn't have stapedectomised he couldn't have stapedectomised we couldn't have stapedectomised you couldn't have stapedectomised they couldn't have stapedectomised	I couldn't have been stapedectomising you couldn't have been stapedectomising he couldn't have been stapedectomising we couldn't have been stapedectomising you couldn't have been stapedectomising they couldn't have been stapedectomising

Interrogative form

Simple form	V-ing form
could I stapedectomise? could you stapedectomise? could he stapedectomise? could we stapedectomise? could you stapedectomise? could they stapedectomise?	could I be stapedectomising? could you be stapedectomising? could he be stapedectomising? could we be stapedectomising? could you be stapedectomising? could they be stapedectomising?
Perfect	V-ing perfect
could I have stapedectomised? could you have stapedectomised? could he have stapedectomised? could we have stapedectomised? could you have stapedectomised? could they have stapedectomised?	could I have been stapedectomising? could you have been stapedectomising? could he have been stapedectomising? could we have been stapedectomising? could you have been stapedectomising? could they have been stapedectomising?

Interro-negative form

Simple form	V-ing form
couldn't I stapedectomise? couldn't you stapedectomise? couldn't he stapedectomise? couldn't we stapedectomise? couldn't you stapedectomise? couldn't they stapedectomise?	couldn't I be stapedectomising? couldn't you be stapedectomising? couldn't he be stapedectomising? couldn't we be stapedectomising? couldn't you be stapedectomising? couldn't they be stapedectomising?
Perfect	V-ing perfect
couldn't I have stapedectomised? couldn't you have stapedectomised? couldn't he have stapedectomised? couldn't we have stapedectomised? couldn't you have stapedectomised? couldn't they have stapedectomised?	couldn't I have been stapedectomising? couldn't you have been stapedectomising? couldn't he have been stapedectomising? couldn't we have been stapedectomising? couldn't you have been stapedectomising? couldn't they have been stapedectomising?