| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [pers pn] [be] [v-ing] | 11746 |
|
| 2 | when [pers pn] [be] [v-ing] | 3571 |
|
| 3 | [pron] when [pers pn] [be] | 1168 |
|
