| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] not [adj] [verb] | 80 |
|
| 2 | it is often [adv] [adj] [verb] | 35 |
|
| 3 | it [be] often not [adj] [verb] | 10 |
|
| 4 | it be often not [adj] [verb] | 10 |
|
| 5 | [pron] is often not [adj] [verb] | 9 |
|
| 6 | it [is] often not [adj] [verb] | 8 |
|
| 7 | it is often [not/n't] [adj] [verb] | 8 |
|
| 8 | it is often not [adj] [verb] | 8 |
|
| 9 | it is often not [adj] [verb] | 8 |
|
