I could capitalize you could capitalize she could capitalize we could capitalize you could capitalize they could capitalize
V-ing form
I could be capitalizing you could be capitalizing she could be capitalizing we could be capitalizing you could be capitalizing they could be capitalizing
Perfect
I could have capitalized you could have capitalized she could have capitalized we could have capitalized you could have capitalized they could have capitalized
V-ing perfect
I could have been capitalizing you could have been capitalizing she could have been capitalizing we could have been capitalizing you could have been capitalizing they could have been capitalizing
Negation
Simple form
I could not capitalize you could not capitalize she could not capitalize we could not capitalize you could not capitalize they could not capitalize
V-ing form
I could not be capitalizing you could not be capitalizing she could not be capitalizing we could not be capitalizing you could not be capitalizing they could not be capitalizing
Perfect
I could not have capitalized you could not have capitalized she could not have capitalized we could not have capitalized you could not have capitalized they could not have capitalized
V-ing perfect
I could not have been capitalizing you could not have been capitalizing she could not have been capitalizing we could not have been capitalizing you could not have been capitalizing they could not have been capitalizing
Interrogative form
Simple form
could I capitalize? could you capitalize? could she capitalize? could we capitalize? could you capitalize? could they capitalize?
V-ing form
could I be capitalizing? could you be capitalizing? could she be capitalizing? could we be capitalizing? could you be capitalizing? could they be capitalizing?
Perfect
could I have capitalized? could you have capitalized? could she have capitalized? could we have capitalized? could you have capitalized? could they have capitalized?
V-ing perfect
could I have been capitalizing? could you have been capitalizing? could she have been capitalizing? could we have been capitalizing? could you have been capitalizing? could they have been capitalizing?
Interro-negative form
Simple form
could I not capitalize? could you not capitalize? could she not capitalize? could we not capitalize? could you not capitalize? could they not capitalize?
V-ing form
could I not be capitalizing? could you not be capitalizing? could she not be capitalizing? could we not be capitalizing? could you not be capitalizing? could they not be capitalizing?
Perfect
could I not have capitalized? could you not have capitalized? could she not have capitalized? could we not have capitalized? could you not have capitalized? could they not have capitalized?
V-ing perfect
could I not have been capitalizing? could you not have been capitalizing? could she not have been capitalizing? could we not have been capitalizing? could you not have been capitalizing? could they not have been capitalizing?