| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] it is [art] | 787 |
|
| 2 | it is often [art] | 124 |
|
| 3 | [adv] it is often | 32 |
|
| 4 | [adv] is often [art] | 8 |
|
