| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [prep] [art] first | 42 |
|
| 2 | must [prep] [art] [adj] | 26 |
|
| 3 | must [prep] [art] [num ord] | 11 |
|
| 4 | must [prep] [art] first | 9 |
|
