| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] if it | 1561 |
|
| 2 | [not/n't] [prep] it | 272 |
|
| 3 | [not/n't] [prep] if | 207 |
|
| 4 | [not/n't] if it | 51 |
|
