| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] often [art] | 728 |
|
| 2 | is often [art] | 690 |
|
| 3 | [is] often a | 355 |
|
| 4 | [is] often the | 345 |
|
| 5 | [is] often the | 345 |
|
| 6 | [is] often a | 312 |
|
| 7 | [is] often an | 43 |
|
| 8 | 's often [art] | 38 |
|
| 9 | [is] often no | 28 |
|
| 10 | [is] often no | 28 |
|
