English verb conjugation
CAN REDDEN

Regular verb: redden - reddened - reddened

Affirmation

Simple form	V-ing form
I can redden you can redden he can redden we can redden you can redden they can redden	I can be reddening you can be reddening he can be reddening we can be reddening you can be reddening they can be reddening
Perfect	V-ing perfect
I can have reddened you can have reddened he can have reddened we can have reddened you can have reddened they can have reddened	I can have been reddening you can have been reddening he can have been reddening we can have been reddening you can have been reddening they can have been reddening

Negation

Simple form	V-ing form
I cannot redden you cannot redden he cannot redden we cannot redden you cannot redden they cannot redden	I cannot be reddening you cannot be reddening he cannot be reddening we cannot be reddening you cannot be reddening they cannot be reddening
Perfect	V-ing perfect
I cannot have reddened you cannot have reddened he cannot have reddened we cannot have reddened you cannot have reddened they cannot have reddened	I cannot have been reddening you cannot have been reddening he cannot have been reddening we cannot have been reddening you cannot have been reddening they cannot have been reddening

Interrogative form

Simple form	V-ing form
can I redden? can you redden? can he redden? can we redden? can you redden? can they redden?	can I be reddening? can you be reddening? can he be reddening? can we be reddening? can you be reddening? can they be reddening?
Perfect	V-ing perfect
can I have reddened? can you have reddened? can he have reddened? can we have reddened? can you have reddened? can they have reddened?	can I have been reddening? can you have been reddening? can he have been reddening? can we have been reddening? can you have been reddening? can they have been reddening?

Interro-negative form

Simple form	V-ing form
can I not redden? can you not redden? can he not redden? can we not redden? can you not redden? can they not redden?	can I not be reddening? can you not be reddening? can he not be reddening? can we not be reddening? can you not be reddening? can they not be reddening?
Perfect	V-ing perfect
can I not have reddened? can you not have reddened? can he not have reddened? can we not have reddened? can you not have reddened? can they not have reddened?	can I not have been reddening? can you not have been reddening? can he not have been reddening? can we not have been reddening? can you not have been reddening? can they not have been reddening?