| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [modal v] in | 124 |
|
| 2 | [conj] must [prep] | 20 |
|
| 3 | [conj] must [prep] | 20 |
|
| 4 | [conj] must in | 5 |
|
