| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and it [is] [not/n't] uncommon for | 9 |
|
| 2 | and it [is] [adv] uncommon for | 9 |
|
| 3 | and it [is] not uncommon for | 9 |
|
| 4 | and it [is] not uncommon for | 9 |
|
| 5 | and it is [adv] uncommon for | 7 |
|
