| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and it is [adv] unusual [prep] | 9 |
|
| 2 | and it is [not/n't] unusual [prep] | 8 |
|
| 3 | and it is not unusual [prep] | 8 |
|
| 4 | and it is [adv] unusual for | 8 |
|
| 5 | and it is [adv] unusual for | 8 |
|
| 6 | and it is not unusual [prep] | 8 |
|
