I can encircle you can encircle he can encircle we can encircle you can encircle they can encircle
V-ing form
I can be encircling you can be encircling he can be encircling we can be encircling you can be encircling they can be encircling
Perfect
I can have encircled you can have encircled he can have encircled we can have encircled you can have encircled they can have encircled
V-ing perfect
I can have been encircling you can have been encircling he can have been encircling we can have been encircling you can have been encircling they can have been encircling
Negation
Simple form
I cannot encircle you cannot encircle he cannot encircle we cannot encircle you cannot encircle they cannot encircle
V-ing form
I cannot be encircling you cannot be encircling he cannot be encircling we cannot be encircling you cannot be encircling they cannot be encircling
Perfect
I cannot have encircled you cannot have encircled he cannot have encircled we cannot have encircled you cannot have encircled they cannot have encircled
V-ing perfect
I cannot have been encircling you cannot have been encircling he cannot have been encircling we cannot have been encircling you cannot have been encircling they cannot have been encircling
Interrogative form
Simple form
can I encircle? can you encircle? can he encircle? can we encircle? can you encircle? can they encircle?
V-ing form
can I be encircling? can you be encircling? can he be encircling? can we be encircling? can you be encircling? can they be encircling?
Perfect
can I have encircled? can you have encircled? can he have encircled? can we have encircled? can you have encircled? can they have encircled?
V-ing perfect
can I have been encircling? can you have been encircling? can he have been encircling? can we have been encircling? can you have been encircling? can they have been encircling?
Interro-negative form
Simple form
can I not encircle? can you not encircle? can he not encircle? can we not encircle? can you not encircle? can they not encircle?
V-ing form
can I not be encircling? can you not be encircling? can he not be encircling? can we not be encircling? can you not be encircling? can they not be encircling?
Perfect
can I not have encircled? can you not have encircled? can he not have encircled? can we not have encircled? can you not have encircled? can they not have encircled?
V-ing perfect
can I not have been encircling? can you not have been encircling? can he not have been encircling? can we not have been encircling? can you not have been encircling? can they not have been encircling?