| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is often [verb] | 1903 |
|
| 2 | is [adv] know | 1461 |
|
| 3 | is [adv] know | 1047 |
|
| 4 | [be] often know | 26 |
|
| 5 | be often know | 26 |
|
| 6 | is often know | 17 |
|
| 7 | [is] often know | 17 |
|
