| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [prep] a | 17836 |
|
| 2 | [vb pp] [pron] [prep] a | 1903 |
|
| 3 | be [pron] [prep] a | 165 |
|
| 4 | be [vb pp] [pron] [prep] | 67 |
|
