English verb conjugation
COULD UPPERCASE

Regular verb: uppercase - uppercased - uppercased

Affirmation

Simple form	V-ing form
I could uppercase you could uppercase he could uppercase we could uppercase you could uppercase they could uppercase	I could be uppercasing you could be uppercasing he could be uppercasing we could be uppercasing you could be uppercasing they could be uppercasing
Perfect	V-ing perfect
I could have uppercased you could have uppercased he could have uppercased we could have uppercased you could have uppercased they could have uppercased	I could have been uppercasing you could have been uppercasing he could have been uppercasing we could have been uppercasing you could have been uppercasing they could have been uppercasing

Negation

Simple form	V-ing form
I could not uppercase you could not uppercase he could not uppercase we could not uppercase you could not uppercase they could not uppercase	I could not be uppercasing you could not be uppercasing he could not be uppercasing we could not be uppercasing you could not be uppercasing they could not be uppercasing
Perfect	V-ing perfect
I could not have uppercased you could not have uppercased he could not have uppercased we could not have uppercased you could not have uppercased they could not have uppercased	I could not have been uppercasing you could not have been uppercasing he could not have been uppercasing we could not have been uppercasing you could not have been uppercasing they could not have been uppercasing

Interrogative form

Simple form	V-ing form
could I uppercase? could you uppercase? could he uppercase? could we uppercase? could you uppercase? could they uppercase?	could I be uppercasing? could you be uppercasing? could he be uppercasing? could we be uppercasing? could you be uppercasing? could they be uppercasing?
Perfect	V-ing perfect
could I have uppercased? could you have uppercased? could he have uppercased? could we have uppercased? could you have uppercased? could they have uppercased?	could I have been uppercasing? could you have been uppercasing? could he have been uppercasing? could we have been uppercasing? could you have been uppercasing? could they have been uppercasing?

Interro-negative form

Simple form	V-ing form
could I not uppercase? could you not uppercase? could he not uppercase? could we not uppercase? could you not uppercase? could they not uppercase?	could I not be uppercasing? could you not be uppercasing? could he not be uppercasing? could we not be uppercasing? could you not be uppercasing? could they not be uppercasing?
Perfect	V-ing perfect
could I not have uppercased? could you not have uppercased? could he not have uppercased? could we not have uppercased? could you not have uppercased? could they not have uppercased?	could I not have been uppercasing? could you not have been uppercasing? could he not have been uppercasing? could we not have been uppercasing? could you not have been uppercasing? could they not have been uppercasing?