| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [vb mod] [prep] [been] | 233 |
|
| 2 | [pers pn] [modal v] [prep] [been] | 233 |
|
| 3 | [pron] must [prep] [been] | 99 |
|
| 4 | [pers pn] must [prep] [be] | 89 |
|
| 5 | [pers pn] must [prep] [been] | 89 |
|
