I can diminish you can diminish she can diminish we can diminish you can diminish they can diminish
V-ing form
I can be diminishing you can be diminishing she can be diminishing we can be diminishing you can be diminishing they can be diminishing
Perfect
I can have diminished you can have diminished she can have diminished we can have diminished you can have diminished they can have diminished
V-ing perfect
I can have been diminishing you can have been diminishing she can have been diminishing we can have been diminishing you can have been diminishing they can have been diminishing
Negation
Simple form
I can't diminish you can't diminish she can't diminish we can't diminish you can't diminish they can't diminish
V-ing form
I can't be diminishing you can't be diminishing she can't be diminishing we can't be diminishing you can't be diminishing they can't be diminishing
Perfect
I can't have diminished you can't have diminished she can't have diminished we can't have diminished you can't have diminished they can't have diminished
V-ing perfect
I can't have been diminishing you can't have been diminishing she can't have been diminishing we can't have been diminishing you can't have been diminishing they can't have been diminishing
Interrogative form
Simple form
can I diminish? can you diminish? can she diminish? can we diminish? can you diminish? can they diminish?
V-ing form
can I be diminishing? can you be diminishing? can she be diminishing? can we be diminishing? can you be diminishing? can they be diminishing?
Perfect
can I have diminished? can you have diminished? can she have diminished? can we have diminished? can you have diminished? can they have diminished?
V-ing perfect
can I have been diminishing? can you have been diminishing? can she have been diminishing? can we have been diminishing? can you have been diminishing? can they have been diminishing?
Interro-negative form
Simple form
can't I diminish? can't you diminish? can't she diminish? can't we diminish? can't you diminish? can't they diminish?
V-ing form
can't I be diminishing? can't you be diminishing? can't she be diminishing? can't we be diminishing? can't you be diminishing? can't they be diminishing?
Perfect
can't I have diminished? can't you have diminished? can't she have diminished? can't we have diminished? can't you have diminished? can't they have diminished?
V-ing perfect
can't I have been diminishing? can't you have been diminishing? can't she have been diminishing? can't we have been diminishing? can't you have been diminishing? can't they have been diminishing?