| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] [pers pn] [prep] the | 932 |
|
| 2 | [prep] if [v-ing] [prep] the | 32 |
|
| 3 | [prep] if [v-ing] [pers pn] [prep] | 29 |
|
| 4 | if [v-ing] [pers pn] [prep] the | 17 |
|
