| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is not [adv] that | 117 |
|
| 2 | is [adv] often that | 19 |
|
| 3 | [be] not often that | 16 |
|
| 4 | be not often that | 16 |
|
| 5 | is not often that | 15 |
|
| 6 | is [not/n't] often that | 15 |
|
| 7 | [is] not often that | 15 |
|
| 8 | is not often that | 12 |
|
| 9 | is not often [conj] | 12 |
|
| 10 | is not often [that] | 12 |
|
