| 1 | be sure to |
| 2 | be through |
| 3 | be through with |
| 4 | be tired of |
| 5 | be tied up |
| 6 | be up all night |
| 7 | be up to sb. |
| 8 | be up to sth./doing sth |
| 9 | be used to |
| 10 | be way behind in |
| 11 | be willing to |
| 12 | be worried about |
| 13 | be worth sth./doing sth |
| 1 | be/get tied up |
| 2 | be/go on a diet |
| 3 | bear up well |
| 4 | because of |
| 5 | before long |
| 6 | begin one's diet |
| 7 | behind the time |
| 8 | believe it or not |
| 9 | belong to |
| 10 | below zero |
| 11 | benefit concert |
