I can ventriloquise you can ventriloquise he can ventriloquise we can ventriloquise you can ventriloquise they can ventriloquise
V-ing form
I can be ventriloquising you can be ventriloquising he can be ventriloquising we can be ventriloquising you can be ventriloquising they can be ventriloquising
Perfect
I can have ventriloquised you can have ventriloquised he can have ventriloquised we can have ventriloquised you can have ventriloquised they can have ventriloquised
V-ing perfect
I can have been ventriloquising you can have been ventriloquising he can have been ventriloquising we can have been ventriloquising you can have been ventriloquising they can have been ventriloquising
Negation
Simple form
I can't ventriloquise you can't ventriloquise he can't ventriloquise we can't ventriloquise you can't ventriloquise they can't ventriloquise
V-ing form
I can't be ventriloquising you can't be ventriloquising he can't be ventriloquising we can't be ventriloquising you can't be ventriloquising they can't be ventriloquising
Perfect
I can't have ventriloquised you can't have ventriloquised he can't have ventriloquised we can't have ventriloquised you can't have ventriloquised they can't have ventriloquised
V-ing perfect
I can't have been ventriloquising you can't have been ventriloquising he can't have been ventriloquising we can't have been ventriloquising you can't have been ventriloquising they can't have been ventriloquising
Interrogative form
Simple form
can I ventriloquise? can you ventriloquise? can he ventriloquise? can we ventriloquise? can you ventriloquise? can they ventriloquise?
V-ing form
can I be ventriloquising? can you be ventriloquising? can he be ventriloquising? can we be ventriloquising? can you be ventriloquising? can they be ventriloquising?
Perfect
can I have ventriloquised? can you have ventriloquised? can he have ventriloquised? can we have ventriloquised? can you have ventriloquised? can they have ventriloquised?
V-ing perfect
can I have been ventriloquising? can you have been ventriloquising? can he have been ventriloquising? can we have been ventriloquising? can you have been ventriloquising? can they have been ventriloquising?
Interro-negative form
Simple form
can't I ventriloquise? can't you ventriloquise? can't he ventriloquise? can't we ventriloquise? can't you ventriloquise? can't they ventriloquise?
V-ing form
can't I be ventriloquising? can't you be ventriloquising? can't he be ventriloquising? can't we be ventriloquising? can't you be ventriloquising? can't they be ventriloquising?
Perfect
can't I have ventriloquised? can't you have ventriloquised? can't he have ventriloquised? can't we have ventriloquised? can't you have ventriloquised? can't they have ventriloquised?
V-ing perfect
can't I have been ventriloquising? can't you have been ventriloquising? can't he have been ventriloquising? can't we have been ventriloquising? can't you have been ventriloquising? can't they have been ventriloquising?