| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [be] [vb pp] as a period | 5 |
|
| 2 | [modal v] [be] [vb pp] as a period | 5 |
|
| 3 | [be] [vb pp] as a period of | 12 |
|
| 4 | [be] [vb pp] as a period of | 12 |
|
| 5 | [be] [vb pp] as a period [prep] | 12 |
|
| 6 | [be] [vb pp] as a period [prep] | 12 |
|
