| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [not/n't] often [conj] | 22 |
|
| 2 | [be] [not/n't] often [that] | 21 |
|
| 3 | [be] [not/n't] often that | 21 |
|
| 4 | [be] [not/n't] often that | 21 |
|
| 5 | [is] [not/n't] often [conj] | 18 |
|
| 6 | [be] not often [conj] | 16 |
|
| 7 | is [not/n't] often [conj] | 15 |
|
| 8 | [be] n't often [conj] | 6 |
|
