I can circumnavigate you can circumnavigate he can circumnavigate we can circumnavigate you can circumnavigate they can circumnavigate
V-ing form
I can be circumnavigating you can be circumnavigating he can be circumnavigating we can be circumnavigating you can be circumnavigating they can be circumnavigating
Perfect
I can have circumnavigated you can have circumnavigated he can have circumnavigated we can have circumnavigated you can have circumnavigated they can have circumnavigated
V-ing perfect
I can have been circumnavigating you can have been circumnavigating he can have been circumnavigating we can have been circumnavigating you can have been circumnavigating they can have been circumnavigating
Negation
Simple form
I cannot circumnavigate you cannot circumnavigate he cannot circumnavigate we cannot circumnavigate you cannot circumnavigate they cannot circumnavigate
V-ing form
I cannot be circumnavigating you cannot be circumnavigating he cannot be circumnavigating we cannot be circumnavigating you cannot be circumnavigating they cannot be circumnavigating
Perfect
I cannot have circumnavigated you cannot have circumnavigated he cannot have circumnavigated we cannot have circumnavigated you cannot have circumnavigated they cannot have circumnavigated
V-ing perfect
I cannot have been circumnavigating you cannot have been circumnavigating he cannot have been circumnavigating we cannot have been circumnavigating you cannot have been circumnavigating they cannot have been circumnavigating
Interrogative form
Simple form
can I circumnavigate? can you circumnavigate? can he circumnavigate? can we circumnavigate? can you circumnavigate? can they circumnavigate?
V-ing form
can I be circumnavigating? can you be circumnavigating? can he be circumnavigating? can we be circumnavigating? can you be circumnavigating? can they be circumnavigating?
Perfect
can I have circumnavigated? can you have circumnavigated? can he have circumnavigated? can we have circumnavigated? can you have circumnavigated? can they have circumnavigated?
V-ing perfect
can I have been circumnavigating? can you have been circumnavigating? can he have been circumnavigating? can we have been circumnavigating? can you have been circumnavigating? can they have been circumnavigating?
Interro-negative form
Simple form
can I not circumnavigate? can you not circumnavigate? can he not circumnavigate? can we not circumnavigate? can you not circumnavigate? can they not circumnavigate?
V-ing form
can I not be circumnavigating? can you not be circumnavigating? can he not be circumnavigating? can we not be circumnavigating? can you not be circumnavigating? can they not be circumnavigating?
Perfect
can I not have circumnavigated? can you not have circumnavigated? can he not have circumnavigated? can we not have circumnavigated? can you not have circumnavigated? can they not have circumnavigated?
V-ing perfect
can I not have been circumnavigating? can you not have been circumnavigating? can he not have been circumnavigating? can we not have been circumnavigating? can you not have been circumnavigating? can they not have been circumnavigating?