| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [vb pp] [prep] | 142629 |
|
| 2 | who [was/were] [vb pp] | 3911 |
|
| 3 | who [was/were] [prep] | 1446 |
|
| 4 | who [vb pp] [prep] | 5 |
|
