English verb conjugation
CAN BLUR

Regular verb: blur - blurred - blurred

Affirmation

Simple form	V-ing form
I can blur you can blur he can blur we can blur you can blur they can blur	I can be blurring you can be blurring he can be blurring we can be blurring you can be blurring they can be blurring
Perfect	V-ing perfect
I can have blurred you can have blurred he can have blurred we can have blurred you can have blurred they can have blurred	I can have been blurring you can have been blurring he can have been blurring we can have been blurring you can have been blurring they can have been blurring

Negation

Simple form	V-ing form
I cannot blur you cannot blur he cannot blur we cannot blur you cannot blur they cannot blur	I cannot be blurring you cannot be blurring he cannot be blurring we cannot be blurring you cannot be blurring they cannot be blurring
Perfect	V-ing perfect
I cannot have blurred you cannot have blurred he cannot have blurred we cannot have blurred you cannot have blurred they cannot have blurred	I cannot have been blurring you cannot have been blurring he cannot have been blurring we cannot have been blurring you cannot have been blurring they cannot have been blurring

Interrogative form

Simple form	V-ing form
can I blur? can you blur? can he blur? can we blur? can you blur? can they blur?	can I be blurring? can you be blurring? can he be blurring? can we be blurring? can you be blurring? can they be blurring?
Perfect	V-ing perfect
can I have blurred? can you have blurred? can he have blurred? can we have blurred? can you have blurred? can they have blurred?	can I have been blurring? can you have been blurring? can he have been blurring? can we have been blurring? can you have been blurring? can they have been blurring?

Interro-negative form

Simple form	V-ing form
can I not blur? can you not blur? can he not blur? can we not blur? can you not blur? can they not blur?	can I not be blurring? can you not be blurring? can he not be blurring? can we not be blurring? can you not be blurring? can they not be blurring?
Perfect	V-ing perfect
can I not have blurred? can you not have blurred? can he not have blurred? can we not have blurred? can you not have blurred? can they not have blurred?	can I not have been blurring? can you not have been blurring? can he not have been blurring? can we not have been blurring? can you not have been blurring? can they not have been blurring?