| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [be] [v-ing] [prep] | 29450 |
|
| 2 | when [pers pn] [be] [v-ing] | 3571 |
|
| 3 | when [pers pn] [be] [prep] | 2017 |
|
| 4 | when [pers pn] [v-ing] [prep] | 14 |
|
