| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [is] not often that [art] | 8 |
|
| 2 | it [is] not often that [art] | 8 |
|
| 3 | [pers pn] [is] not often that [art] | 8 |
|
| 4 | it [is] not often that [art] | 8 |
|
| 5 | [is] not often that [art] [adj] | 6 |
|
| 6 | [is] not often that [art] [adj] | 6 |
|
