I can bask you can bask he can bask we can bask you can bask they can bask
V-ing form
I can be basking you can be basking he can be basking we can be basking you can be basking they can be basking
Perfect
I can have basked you can have basked he can have basked we can have basked you can have basked they can have basked
V-ing perfect
I can have been basking you can have been basking he can have been basking we can have been basking you can have been basking they can have been basking
Negation
Simple form
I cannot bask you cannot bask he cannot bask we cannot bask you cannot bask they cannot bask
V-ing form
I cannot be basking you cannot be basking he cannot be basking we cannot be basking you cannot be basking they cannot be basking
Perfect
I cannot have basked you cannot have basked he cannot have basked we cannot have basked you cannot have basked they cannot have basked
V-ing perfect
I cannot have been basking you cannot have been basking he cannot have been basking we cannot have been basking you cannot have been basking they cannot have been basking
Interrogative form
Simple form
can I bask? can you bask? can he bask? can we bask? can you bask? can they bask?
V-ing form
can I be basking? can you be basking? can he be basking? can we be basking? can you be basking? can they be basking?
Perfect
can I have basked? can you have basked? can he have basked? can we have basked? can you have basked? can they have basked?
V-ing perfect
can I have been basking? can you have been basking? can he have been basking? can we have been basking? can you have been basking? can they have been basking?
Interro-negative form
Simple form
can I not bask? can you not bask? can he not bask? can we not bask? can you not bask? can they not bask?
V-ing form
can I not be basking? can you not be basking? can he not be basking? can we not be basking? can you not be basking? can they not be basking?
Perfect
can I not have basked? can you not have basked? can he not have basked? can we not have basked? can you not have basked? can they not have basked?
V-ing perfect
can I not have been basking? can you not have been basking? can he not have been basking? can we not have been basking? can you not have been basking? can they not have been basking?