English verb conjugation
COULD VENTRILOQUISE

Regular verb: ventriloquise - ventriloquised - ventriloquised

Affirmation

Simple form	V-ing form
I could ventriloquise you could ventriloquise he could ventriloquise we could ventriloquise you could ventriloquise they could ventriloquise	I could be ventriloquising you could be ventriloquising he could be ventriloquising we could be ventriloquising you could be ventriloquising they could be ventriloquising
Perfect	V-ing perfect
I could have ventriloquised you could have ventriloquised he could have ventriloquised we could have ventriloquised you could have ventriloquised they could have ventriloquised	I could have been ventriloquising you could have been ventriloquising he could have been ventriloquising we could have been ventriloquising you could have been ventriloquising they could have been ventriloquising

Negation

Simple form	V-ing form
I couldn't ventriloquise you couldn't ventriloquise he couldn't ventriloquise we couldn't ventriloquise you couldn't ventriloquise they couldn't ventriloquise	I couldn't be ventriloquising you couldn't be ventriloquising he couldn't be ventriloquising we couldn't be ventriloquising you couldn't be ventriloquising they couldn't be ventriloquising
Perfect	V-ing perfect
I couldn't have ventriloquised you couldn't have ventriloquised he couldn't have ventriloquised we couldn't have ventriloquised you couldn't have ventriloquised they couldn't have ventriloquised	I couldn't have been ventriloquising you couldn't have been ventriloquising he couldn't have been ventriloquising we couldn't have been ventriloquising you couldn't have been ventriloquising they couldn't have been ventriloquising

Interrogative form

Simple form	V-ing form
could I ventriloquise? could you ventriloquise? could he ventriloquise? could we ventriloquise? could you ventriloquise? could they ventriloquise?	could I be ventriloquising? could you be ventriloquising? could he be ventriloquising? could we be ventriloquising? could you be ventriloquising? could they be ventriloquising?
Perfect	V-ing perfect
could I have ventriloquised? could you have ventriloquised? could he have ventriloquised? could we have ventriloquised? could you have ventriloquised? could they have ventriloquised?	could I have been ventriloquising? could you have been ventriloquising? could he have been ventriloquising? could we have been ventriloquising? could you have been ventriloquising? could they have been ventriloquising?

Interro-negative form

Simple form	V-ing form
couldn't I ventriloquise? couldn't you ventriloquise? couldn't he ventriloquise? couldn't we ventriloquise? couldn't you ventriloquise? couldn't they ventriloquise?	couldn't I be ventriloquising? couldn't you be ventriloquising? couldn't he be ventriloquising? couldn't we be ventriloquising? couldn't you be ventriloquising? couldn't they be ventriloquising?
Perfect	V-ing perfect
couldn't I have ventriloquised? couldn't you have ventriloquised? couldn't he have ventriloquised? couldn't we have ventriloquised? couldn't you have ventriloquised? couldn't they have ventriloquised?	couldn't I have been ventriloquising? couldn't you have been ventriloquising? couldn't he have been ventriloquising? couldn't we have been ventriloquising? couldn't you have been ventriloquising? couldn't they have been ventriloquising?