| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and if [pron] [vb past] | 1009 |
|
| 2 | [v-ing] if [pron] [vb past] | 170 |
|
| 3 | and [v-ing] [pron] [vb past] | 123 |
|
| 4 | and [v-ing] if [pron] | 54 |
|
