I can astonish you can astonish he can astonish we can astonish you can astonish they can astonish
V-ing form
I can be astonishing you can be astonishing he can be astonishing we can be astonishing you can be astonishing they can be astonishing
Perfect
I can have astonished you can have astonished he can have astonished we can have astonished you can have astonished they can have astonished
V-ing perfect
I can have been astonishing you can have been astonishing he can have been astonishing we can have been astonishing you can have been astonishing they can have been astonishing
Negation
Simple form
I cannot astonish you cannot astonish he cannot astonish we cannot astonish you cannot astonish they cannot astonish
V-ing form
I cannot be astonishing you cannot be astonishing he cannot be astonishing we cannot be astonishing you cannot be astonishing they cannot be astonishing
Perfect
I cannot have astonished you cannot have astonished he cannot have astonished we cannot have astonished you cannot have astonished they cannot have astonished
V-ing perfect
I cannot have been astonishing you cannot have been astonishing he cannot have been astonishing we cannot have been astonishing you cannot have been astonishing they cannot have been astonishing
Interrogative form
Simple form
can I astonish? can you astonish? can he astonish? can we astonish? can you astonish? can they astonish?
V-ing form
can I be astonishing? can you be astonishing? can he be astonishing? can we be astonishing? can you be astonishing? can they be astonishing?
Perfect
can I have astonished? can you have astonished? can he have astonished? can we have astonished? can you have astonished? can they have astonished?
V-ing perfect
can I have been astonishing? can you have been astonishing? can he have been astonishing? can we have been astonishing? can you have been astonishing? can they have been astonishing?
Interro-negative form
Simple form
can I not astonish? can you not astonish? can he not astonish? can we not astonish? can you not astonish? can they not astonish?
V-ing form
can I not be astonishing? can you not be astonishing? can he not be astonishing? can we not be astonishing? can you not be astonishing? can they not be astonishing?
Perfect
can I not have astonished? can you not have astonished? can he not have astonished? can we not have astonished? can you not have astonished? can they not have astonished?
V-ing perfect
can I not have been astonishing? can you not have been astonishing? can he not have been astonishing? can we not have been astonishing? can you not have been astonishing? can they not have been astonishing?