| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know [pron] was [verb] | 1045 |
|
| 2 | [verb] [ex0] was [verb] | 39 |
|
| 3 | know [ex0] be [verb] | 16 |
|
| 4 | know [ex0] [be] [verb] | 16 |
|
| 5 | know [ex0] [was/were] [verb] | 8 |
|
