| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 's [adv] [art] | 9220 |
|
| 2 | 's [adv] [art] | 5824 |
|
| 3 | be often [art] | 1039 |
|
| 4 | [be] often [art] | 1039 |
|
| 5 | [is] often [art] | 728 |
|
| 6 | 's often [art] | 38 |
|
