| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pron] [be] [v-ing] for | 100 |
|
| 2 | [pron] 's [be] [v-ing] for | 83 |
|
| 3 | when [pron] 's [be] [v-ing] | 10 |
|
