| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [conj] [pron] [be] [v-ing] | 667 |
|
| 2 | [subord] [subord] [pron] [be] [v-ing] | 649 |
|
| 3 | [conj] when [pron] [be] [v-ing] | 343 |
|
| 4 | [subord] when [pron] [be] [verb] | 146 |
|
| 5 | [subord] when [pron] [be] [v-ing] | 89 |
|
