| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is not [adv] [vb pp] | 1456 |
|
| 2 | is often [adv] [vb pp] | 122 |
|
| 3 | is often not [vb pp] | 26 |
|
| 4 | is often not [adv] | 24 |
|
| 5 | often not [adv] [vb pp] | 12 |
|
