I can confabulate you can confabulate he can confabulate we can confabulate you can confabulate they can confabulate
V-ing form
I can be confabulating you can be confabulating he can be confabulating we can be confabulating you can be confabulating they can be confabulating
Perfect
I can have confabulated you can have confabulated he can have confabulated we can have confabulated you can have confabulated they can have confabulated
V-ing perfect
I can have been confabulating you can have been confabulating he can have been confabulating we can have been confabulating you can have been confabulating they can have been confabulating
Negation
Simple form
I cannot confabulate you cannot confabulate he cannot confabulate we cannot confabulate you cannot confabulate they cannot confabulate
V-ing form
I cannot be confabulating you cannot be confabulating he cannot be confabulating we cannot be confabulating you cannot be confabulating they cannot be confabulating
Perfect
I cannot have confabulated you cannot have confabulated he cannot have confabulated we cannot have confabulated you cannot have confabulated they cannot have confabulated
V-ing perfect
I cannot have been confabulating you cannot have been confabulating he cannot have been confabulating we cannot have been confabulating you cannot have been confabulating they cannot have been confabulating
Interrogative form
Simple form
can I confabulate? can you confabulate? can he confabulate? can we confabulate? can you confabulate? can they confabulate?
V-ing form
can I be confabulating? can you be confabulating? can he be confabulating? can we be confabulating? can you be confabulating? can they be confabulating?
Perfect
can I have confabulated? can you have confabulated? can he have confabulated? can we have confabulated? can you have confabulated? can they have confabulated?
V-ing perfect
can I have been confabulating? can you have been confabulating? can he have been confabulating? can we have been confabulating? can you have been confabulating? can they have been confabulating?
Interro-negative form
Simple form
can I not confabulate? can you not confabulate? can he not confabulate? can we not confabulate? can you not confabulate? can they not confabulate?
V-ing form
can I not be confabulating? can you not be confabulating? can he not be confabulating? can we not be confabulating? can you not be confabulating? can they not be confabulating?
Perfect
can I not have confabulated? can you not have confabulated? can he not have confabulated? can we not have confabulated? can you not have confabulated? can they not have confabulated?
V-ing perfect
can I not have been confabulating? can you not have been confabulating? can he not have been confabulating? can we not have been confabulating? can you not have been confabulating? can they not have been confabulating?