I can castaway you can castaway he can castaway we can castaway you can castaway they can castaway
V-ing form
I can be castawaying you can be castawaying he can be castawaying we can be castawaying you can be castawaying they can be castawaying
Perfect
I can have castawayed you can have castawayed he can have castawayed we can have castawayed you can have castawayed they can have castawayed
V-ing perfect
I can have been castawaying you can have been castawaying he can have been castawaying we can have been castawaying you can have been castawaying they can have been castawaying
Negation
Simple form
I can't castaway you can't castaway he can't castaway we can't castaway you can't castaway they can't castaway
V-ing form
I can't be castawaying you can't be castawaying he can't be castawaying we can't be castawaying you can't be castawaying they can't be castawaying
Perfect
I can't have castawayed you can't have castawayed he can't have castawayed we can't have castawayed you can't have castawayed they can't have castawayed
V-ing perfect
I can't have been castawaying you can't have been castawaying he can't have been castawaying we can't have been castawaying you can't have been castawaying they can't have been castawaying
Interrogative form
Simple form
can I castaway? can you castaway? can he castaway? can we castaway? can you castaway? can they castaway?
V-ing form
can I be castawaying? can you be castawaying? can he be castawaying? can we be castawaying? can you be castawaying? can they be castawaying?
Perfect
can I have castawayed? can you have castawayed? can he have castawayed? can we have castawayed? can you have castawayed? can they have castawayed?
V-ing perfect
can I have been castawaying? can you have been castawaying? can he have been castawaying? can we have been castawaying? can you have been castawaying? can they have been castawaying?
Interro-negative form
Simple form
can't I castaway? can't you castaway? can't he castaway? can't we castaway? can't you castaway? can't they castaway?
V-ing form
can't I be castawaying? can't you be castawaying? can't he be castawaying? can't we be castawaying? can't you be castawaying? can't they be castawaying?
Perfect
can't I have castawayed? can't you have castawayed? can't he have castawayed? can't we have castawayed? can't you have castawayed? can't they have castawayed?
V-ing perfect
can't I have been castawaying? can't you have been castawaying? can't he have been castawaying? can't we have been castawaying? can't you have been castawaying? can't they have been castawaying?