| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] perhaps [art] [adv] | 151 |
|
| 2 | [is] [art] [adv] known | 78 |
|
| 3 | perhaps [art] [adv] known | 19 |
|
| 4 | [is] perhaps [adv] known | 11 |
|
