| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] is [not/n't] often that | 14 |
|
| 2 | it is [not/n't] often that | 14 |
|
| 3 | it is [not/n't] often that | 14 |
|
| 4 | [pers pn] is [not/n't] often that | 14 |
|
| 5 | is [not/n't] often that [art] | 9 |
|
| 6 | is [not/n't] often that [art] | 9 |
|
| 7 | is [not/n't] often that the | 5 |
|
| 8 | is [not/n't] often that the | 5 |
|
