| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | often [verb] | 17629 |
|
| 2 | often [vb pp] | 7517 |
|
| 3 | [adv] known | 7468 |
|
| 4 | [adv] known | 6464 |
|
| 5 | often know | 74 |
|
| 6 | often known | 61 |
|
