| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [be] seen to | 88 |
|
| 2 | [pron] must [be] seen | 43 |
|
| 3 | must [be] seen to | 32 |
|
| 4 | [pron] must [be] to | 10 |
|
