I can illuminate you can illuminate she can illuminate we can illuminate you can illuminate they can illuminate
V-ing form
I can be illuminating you can be illuminating she can be illuminating we can be illuminating you can be illuminating they can be illuminating
Perfect
I can have illuminated you can have illuminated she can have illuminated we can have illuminated you can have illuminated they can have illuminated
V-ing perfect
I can have been illuminating you can have been illuminating she can have been illuminating we can have been illuminating you can have been illuminating they can have been illuminating
Negation
Simple form
I can't illuminate you can't illuminate she can't illuminate we can't illuminate you can't illuminate they can't illuminate
V-ing form
I can't be illuminating you can't be illuminating she can't be illuminating we can't be illuminating you can't be illuminating they can't be illuminating
Perfect
I can't have illuminated you can't have illuminated she can't have illuminated we can't have illuminated you can't have illuminated they can't have illuminated
V-ing perfect
I can't have been illuminating you can't have been illuminating she can't have been illuminating we can't have been illuminating you can't have been illuminating they can't have been illuminating
Interrogative form
Simple form
can I illuminate? can you illuminate? can she illuminate? can we illuminate? can you illuminate? can they illuminate?
V-ing form
can I be illuminating? can you be illuminating? can she be illuminating? can we be illuminating? can you be illuminating? can they be illuminating?
Perfect
can I have illuminated? can you have illuminated? can she have illuminated? can we have illuminated? can you have illuminated? can they have illuminated?
V-ing perfect
can I have been illuminating? can you have been illuminating? can she have been illuminating? can we have been illuminating? can you have been illuminating? can they have been illuminating?
Interro-negative form
Simple form
can't I illuminate? can't you illuminate? can't she illuminate? can't we illuminate? can't you illuminate? can't they illuminate?
V-ing form
can't I be illuminating? can't you be illuminating? can't she be illuminating? can't we be illuminating? can't you be illuminating? can't they be illuminating?
Perfect
can't I have illuminated? can't you have illuminated? can't she have illuminated? can't we have illuminated? can't you have illuminated? can't they have illuminated?
V-ing perfect
can't I have been illuminating? can't you have been illuminating? can't she have been illuminating? can't we have been illuminating? can't you have been illuminating? can't they have been illuminating?