| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it is [not/n't] often | 8 |
|
| 2 | it is [not/n't] often [conj] | 14 |
|
| 3 | it is [not/n't] often that | 14 |
|
| 4 | it is [not/n't] often [that] | 14 |
|
| 5 | it is [not/n't] often that | 14 |
|
| 6 | it is [not/n't] often [adj] | 6 |
|
| 7 | it is [not/n't] often [vb pp] | 6 |
|
| 8 | it is [not/n't] often [verb] | 6 |
|
