| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] must [prep] [been] [det] | 7 |
|
| 2 | [pron] must [prep] be [det] | 7 |
|
| 3 | [pron] must of [be] [det] | 7 |
|
| 4 | [pron] must [prep] [be] [det] | 7 |
|
| 5 | [pron] must of [be] [det] | 7 |
|
| 6 | [pron] must [prep] been [det] | 7 |
|
| 7 | [pron] must [prep] [be] some | 5 |
|
