| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [was/were] [prep] | 2228 |
|
| 2 | [was/were] know [prep] | 877 |
|
| 3 | [det] know [prep] | 129 |
|
| 4 | [det] [was/were] know | 86 |
|
