| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be [prep] | 1101 |
|
| 2 | must [be] in | 324 |
|
| 3 | must [be] at | 149 |
|
| 4 | must [be] on | 128 |
|
| 5 | must [be] of | 86 |
|
| 6 | must [be] for | 75 |
|
| 7 | must [be] like | 70 |
|
| 8 | must [be] to | 38 |
|
| 9 | must [be] worth | 34 |
|
| 10 | must [be] by | 24 |
|
| 11 | must [be] about | 22 |
|
| 12 | must [be] from | 19 |
|
| 13 | must [be] within | 13 |
|
| 14 | must [be] with | 12 |
|
| 15 | must [be] under | 10 |
|
| 16 | must [be] among | 9 |
|
| 17 | must [be] off | 7 |
|
| 18 | must [be] between | 7 |
|
| 19 | must [be] over | 6 |
|
| 20 | must [be] after | 6 |
|
| 21 | must [be] near | 6 |
|
| 22 | must [be] through | 5 |
|
| 23 | must [be] as | 5 |
|
