| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [vb pp] [prep] | 142628 |
|
| 2 | [vb pp] [prep] [pos pn] | 42635 |
|
| 3 | [was/were] [prep] [pos pn] | 3818 |
|
| 4 | [was/were] [vb pp] [pos pn] | 276 |
|
