Can it, you two! I'm trying to work.
No. But any code a minister's wife of the last century put together can't be all that sophisticated, can it?
If that pansy Ryland can ice climb, it can't be much of a challenge now can it?
How can it be so hot one day and so cold the next?
It can't infect humans, can it?
Only in a very modified sense, therefore, can it be correctly said to date from the Reformation.