I can balk you can balk he can balk we can balk you can balk they can balk
V-ing form
I can be balking you can be balking he can be balking we can be balking you can be balking they can be balking
Perfect
I can have balked you can have balked he can have balked we can have balked you can have balked they can have balked
V-ing perfect
I can have been balking you can have been balking he can have been balking we can have been balking you can have been balking they can have been balking
Negation
Simple form
I can't balk you can't balk he can't balk we can't balk you can't balk they can't balk
V-ing form
I can't be balking you can't be balking he can't be balking we can't be balking you can't be balking they can't be balking
Perfect
I can't have balked you can't have balked he can't have balked we can't have balked you can't have balked they can't have balked
V-ing perfect
I can't have been balking you can't have been balking he can't have been balking we can't have been balking you can't have been balking they can't have been balking
Interrogative form
Simple form
can I balk? can you balk? can he balk? can we balk? can you balk? can they balk?
V-ing form
can I be balking? can you be balking? can he be balking? can we be balking? can you be balking? can they be balking?
Perfect
can I have balked? can you have balked? can he have balked? can we have balked? can you have balked? can they have balked?
V-ing perfect
can I have been balking? can you have been balking? can he have been balking? can we have been balking? can you have been balking? can they have been balking?
Interro-negative form
Simple form
can't I balk? can't you balk? can't he balk? can't we balk? can't you balk? can't they balk?
V-ing form
can't I be balking? can't you be balking? can't he be balking? can't we be balking? can't you be balking? can't they be balking?
Perfect
can't I have balked? can't you have balked? can't he have balked? can't we have balked? can't you have balked? can't they have balked?
V-ing perfect
can't I have been balking? can't you have been balking? can't he have been balking? can't we have been balking? can't you have been balking? can't they have been balking?