| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pron] must [vb infin] | 196 |
|
| 2 | [det] [pron] must [vb infin] | 140 |
|
| 3 | [det] [prep] [pron] must | 83 |
|
| 4 | [det] [prep] [pron] [vb infin] | 8 |
|
