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 can't blur you can't blur he can't blur we can't blur you can't blur they can't blur	I can't be blurring you can't be blurring he can't be blurring we can't be blurring you can't be blurring they can't be blurring
Perfect	V-ing perfect
I can't have blurred you can't have blurred he can't have blurred we can't have blurred you can't have blurred they can't have blurred	I can't have been blurring you can't have been blurring he can't have been blurring we can't have been blurring you can't have been blurring they can't 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't I blur? can't you blur? can't he blur? can't we blur? can't you blur? can't they blur?	can't I be blurring? can't you be blurring? can't he be blurring? can't we be blurring? can't you be blurring? can't they be blurring?
Perfect	V-ing perfect
can't I have blurred? can't you have blurred? can't he have blurred? can't we have blurred? can't you have blurred? can't they have blurred?	can't I have been blurring? can't you have been blurring? can't he have been blurring? can't we have been blurring? can't you have been blurring? can't they have been blurring?