I can balk you can balk she can balk we can balk you can balk they can balk
V-ing form
I can be balking you can be balking she can be balking we can be balking you can be balking they can be balking
Perfect
I can have balked you can have balked she 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 she can have been balking we can have been balking you can have been balking they can have been balking
Negation
Simple form
I cannot balk you cannot balk she cannot balk we cannot balk you cannot balk they cannot balk
V-ing form
I cannot be balking you cannot be balking she cannot be balking we cannot be balking you cannot be balking they cannot be balking
Perfect
I cannot have balked you cannot have balked she cannot have balked we cannot have balked you cannot have balked they cannot have balked
V-ing perfect
I cannot have been balking you cannot have been balking she cannot have been balking we cannot have been balking you cannot have been balking they cannot have been balking
Interrogative form
Simple form
can I balk? can you balk? can she balk? can we balk? can you balk? can they balk?
V-ing form
can I be balking? can you be balking? can she be balking? can we be balking? can you be balking? can they be balking?
Perfect
can I have balked? can you have balked? can she 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 she have been balking? can we have been balking? can you have been balking? can they have been balking?
Interro-negative form
Simple form
can I not balk? can you not balk? can she not balk? can we not balk? can you not balk? can they not balk?
V-ing form
can I not be balking? can you not be balking? can she not be balking? can we not be balking? can you not be balking? can they not be balking?
Perfect
can I not have balked? can you not have balked? can she not have balked? can we not have balked? can you not have balked? can they not have balked?
V-ing perfect
can I not have been balking? can you not have been balking? can she not have been balking? can we not have been balking? can you not have been balking? can they not have been balking?