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 can't astonish you can't astonish he can't astonish we can't astonish you can't astonish they can't astonish
V-ing form
I can't be astonishing you can't be astonishing he can't be astonishing we can't be astonishing you can't be astonishing they can't be astonishing
Perfect
I can't have astonished you can't have astonished he can't have astonished we can't have astonished you can't have astonished they can't have astonished
V-ing perfect
I can't have been astonishing you can't have been astonishing he can't have been astonishing we can't have been astonishing you can't have been astonishing they can't 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't I astonish? can't you astonish? can't he astonish? can't we astonish? can't you astonish? can't they astonish?
V-ing form
can't I be astonishing? can't you be astonishing? can't he be astonishing? can't we be astonishing? can't you be astonishing? can't they be astonishing?
Perfect
can't I have astonished? can't you have astonished? can't he have astonished? can't we have astonished? can't you have astonished? can't they have astonished?
V-ing perfect
can't I have been astonishing? can't you have been astonishing? can't he have been astonishing? can't we have been astonishing? can't you have been astonishing? can't they have been astonishing?