I can bollix you can bollix he can bollix we can bollix you can bollix they can bollix
V-ing form
I can be bollixing you can be bollixing he can be bollixing we can be bollixing you can be bollixing they can be bollixing
Perfect
I can have bollixed you can have bollixed he can have bollixed we can have bollixed you can have bollixed they can have bollixed
V-ing perfect
I can have been bollixing you can have been bollixing he can have been bollixing we can have been bollixing you can have been bollixing they can have been bollixing
Negation
Simple form
I can't bollix you can't bollix he can't bollix we can't bollix you can't bollix they can't bollix
V-ing form
I can't be bollixing you can't be bollixing he can't be bollixing we can't be bollixing you can't be bollixing they can't be bollixing
Perfect
I can't have bollixed you can't have bollixed he can't have bollixed we can't have bollixed you can't have bollixed they can't have bollixed
V-ing perfect
I can't have been bollixing you can't have been bollixing he can't have been bollixing we can't have been bollixing you can't have been bollixing they can't have been bollixing
Interrogative form
Simple form
can I bollix? can you bollix? can he bollix? can we bollix? can you bollix? can they bollix?
V-ing form
can I be bollixing? can you be bollixing? can he be bollixing? can we be bollixing? can you be bollixing? can they be bollixing?
Perfect
can I have bollixed? can you have bollixed? can he have bollixed? can we have bollixed? can you have bollixed? can they have bollixed?
V-ing perfect
can I have been bollixing? can you have been bollixing? can he have been bollixing? can we have been bollixing? can you have been bollixing? can they have been bollixing?
Interro-negative form
Simple form
can't I bollix? can't you bollix? can't he bollix? can't we bollix? can't you bollix? can't they bollix?
V-ing form
can't I be bollixing? can't you be bollixing? can't he be bollixing? can't we be bollixing? can't you be bollixing? can't they be bollixing?
Perfect
can't I have bollixed? can't you have bollixed? can't he have bollixed? can't we have bollixed? can't you have bollixed? can't they have bollixed?
V-ing perfect
can't I have been bollixing? can't you have been bollixing? can't he have been bollixing? can't we have been bollixing? can't you have been bollixing? can't they have been bollixing?