| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if [not/n't] [det] | 279 |
|
| 2 | [not/n't] [det] [conj] | 270 |
|
| 3 | if [det] [conj] | 76 |
|
| 4 | if [not/n't] [conj] | 10 |
|
