Examine the image and the examples introduced:

- It can’t be Sarah. I know she lives in France, not here.

- It might rain today for those clouds are really dark.

- They may be using the new laptop since it has been unpacked.

- I could go to the exhibition but I am torn about it.

- Della must have arrived, her schedule has not changed.

The modal verbs’ idea conveyed is the one of: