| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [vb infin] [pron] [adj] | 466 |
|
| 2 | [vb infin] [pron] [pron] [adj] | 309 |
|
| 3 | must [vb infin] [pron] [pron] | 195 |
|
