| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [verb] [prep] | 119283 |
|
| 2 | [be] know [prep] | 4210 |
|
| 3 | be know [prep] | 4210 |
|
| 4 | [was/were] know [prep] | 877 |
|
