| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] must [prep] | 17 |
|
| 2 | and must [prep] | 15 |
|
| 3 | and must [prep] | 15 |
|
| 4 | [conj] must of | 7 |
|
| 5 | [conj] must in | 5 |
|
