I can castaway you can castaway she can castaway we can castaway you can castaway they can castaway
V-ing form
I can be castawaying you can be castawaying she can be castawaying we can be castawaying you can be castawaying they can be castawaying
Perfect
I can have castawayed you can have castawayed she 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 she can have been castawaying we can have been castawaying you can have been castawaying they can have been castawaying
Negation
Simple form
I cannot castaway you cannot castaway she cannot castaway we cannot castaway you cannot castaway they cannot castaway
V-ing form
I cannot be castawaying you cannot be castawaying she cannot be castawaying we cannot be castawaying you cannot be castawaying they cannot be castawaying
Perfect
I cannot have castawayed you cannot have castawayed she cannot have castawayed we cannot have castawayed you cannot have castawayed they cannot have castawayed
V-ing perfect
I cannot have been castawaying you cannot have been castawaying she cannot have been castawaying we cannot have been castawaying you cannot have been castawaying they cannot have been castawaying
Interrogative form
Simple form
can I castaway? can you castaway? can she castaway? can we castaway? can you castaway? can they castaway?
V-ing form
can I be castawaying? can you be castawaying? can she be castawaying? can we be castawaying? can you be castawaying? can they be castawaying?
Perfect
can I have castawayed? can you have castawayed? can she 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 she have been castawaying? can we have been castawaying? can you have been castawaying? can they have been castawaying?
Interro-negative form
Simple form
can I not castaway? can you not castaway? can she not castaway? can we not castaway? can you not castaway? can they not castaway?
V-ing form
can I not be castawaying? can you not be castawaying? can she not be castawaying? can we not be castawaying? can you not be castawaying? can they not be castawaying?
Perfect
can I not have castawayed? can you not have castawayed? can she not have castawayed? can we not have castawayed? can you not have castawayed? can they not have castawayed?
V-ing perfect
can I not have been castawaying? can you not have been castawaying? can she not have been castawaying? can we not have been castawaying? can you not have been castawaying? can they not have been castawaying?