English verb conjugation
CAN BLANK

Regular verb: blank - blanked - blanked

Affirmation

Simple form	V-ing form
I can blank you can blank he can blank we can blank you can blank they can blank	I can be blanking you can be blanking he can be blanking we can be blanking you can be blanking they can be blanking
Perfect	V-ing perfect
I can have blanked you can have blanked he can have blanked we can have blanked you can have blanked they can have blanked	I can have been blanking you can have been blanking he can have been blanking we can have been blanking you can have been blanking they can have been blanking

Negation

Simple form	V-ing form
I cannot blank you cannot blank he cannot blank we cannot blank you cannot blank they cannot blank	I cannot be blanking you cannot be blanking he cannot be blanking we cannot be blanking you cannot be blanking they cannot be blanking
Perfect	V-ing perfect
I cannot have blanked you cannot have blanked he cannot have blanked we cannot have blanked you cannot have blanked they cannot have blanked	I cannot have been blanking you cannot have been blanking he cannot have been blanking we cannot have been blanking you cannot have been blanking they cannot have been blanking

Interrogative form

Simple form	V-ing form
can I blank? can you blank? can he blank? can we blank? can you blank? can they blank?	can I be blanking? can you be blanking? can he be blanking? can we be blanking? can you be blanking? can they be blanking?
Perfect	V-ing perfect
can I have blanked? can you have blanked? can he have blanked? can we have blanked? can you have blanked? can they have blanked?	can I have been blanking? can you have been blanking? can he have been blanking? can we have been blanking? can you have been blanking? can they have been blanking?

Interro-negative form

Simple form	V-ing form
can I not blank? can you not blank? can he not blank? can we not blank? can you not blank? can they not blank?	can I not be blanking? can you not be blanking? can he not be blanking? can we not be blanking? can you not be blanking? can they not be blanking?
Perfect	V-ing perfect
can I not have blanked? can you not have blanked? can he not have blanked? can we not have blanked? can you not have blanked? can they not have blanked?	can I not have been blanking? can you not have been blanking? can he not have been blanking? can we not have been blanking? can you not have been blanking? can they not have been blanking?