English verb conjugation
COULD LOWERCASE

Regular verb: lowercase - lowercased - lowercased

Affirmation

Simple form	V-ing form
I could lowercase you could lowercase he could lowercase we could lowercase you could lowercase they could lowercase	I could be lowercasing you could be lowercasing he could be lowercasing we could be lowercasing you could be lowercasing they could be lowercasing
Perfect	V-ing perfect
I could have lowercased you could have lowercased he could have lowercased we could have lowercased you could have lowercased they could have lowercased	I could have been lowercasing you could have been lowercasing he could have been lowercasing we could have been lowercasing you could have been lowercasing they could have been lowercasing

Negation

Simple form	V-ing form
I couldn't lowercase you couldn't lowercase he couldn't lowercase we couldn't lowercase you couldn't lowercase they couldn't lowercase	I couldn't be lowercasing you couldn't be lowercasing he couldn't be lowercasing we couldn't be lowercasing you couldn't be lowercasing they couldn't be lowercasing
Perfect	V-ing perfect
I couldn't have lowercased you couldn't have lowercased he couldn't have lowercased we couldn't have lowercased you couldn't have lowercased they couldn't have lowercased	I couldn't have been lowercasing you couldn't have been lowercasing he couldn't have been lowercasing we couldn't have been lowercasing you couldn't have been lowercasing they couldn't have been lowercasing

Interrogative form

Simple form	V-ing form
could I lowercase? could you lowercase? could he lowercase? could we lowercase? could you lowercase? could they lowercase?	could I be lowercasing? could you be lowercasing? could he be lowercasing? could we be lowercasing? could you be lowercasing? could they be lowercasing?
Perfect	V-ing perfect
could I have lowercased? could you have lowercased? could he have lowercased? could we have lowercased? could you have lowercased? could they have lowercased?	could I have been lowercasing? could you have been lowercasing? could he have been lowercasing? could we have been lowercasing? could you have been lowercasing? could they have been lowercasing?

Interro-negative form

Simple form	V-ing form
couldn't I lowercase? couldn't you lowercase? couldn't he lowercase? couldn't we lowercase? couldn't you lowercase? couldn't they lowercase?	couldn't I be lowercasing? couldn't you be lowercasing? couldn't he be lowercasing? couldn't we be lowercasing? couldn't you be lowercasing? couldn't they be lowercasing?
Perfect	V-ing perfect
couldn't I have lowercased? couldn't you have lowercased? couldn't he have lowercased? couldn't we have lowercased? couldn't you have lowercased? couldn't they have lowercased?	couldn't I have been lowercasing? couldn't you have been lowercasing? couldn't he have been lowercasing? couldn't we have been lowercasing? couldn't you have been lowercasing? couldn't they have been lowercasing?