English verb conjugation
CAN LOWERCASE

Regular verb: lowercase - lowercased - lowercased

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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