| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be [vb pp] as [pron] be | 7 |
|
| 2 | must be [vb pp] as [pers pn] be | 5 |
|
| 3 | must be [vb pp] as it be | 5 |
|
| 4 | must be [vb pp] as it be | 5 |
|
