| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but be [adv] know | 13 |
|
| 2 | but [be] [adv] known | 13 |
|
| 3 | but [was/were] [adv] know | 8 |
|
| 4 | but was [adv] know | 5 |
|
