| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [be] [adv] [v-ing] | 17573 |
|
| 2 | [pron] [be] [adv] when | 228 |
|
| 3 | [pron] [be] [v-ing] when | 168 |
|
| 4 | [be] [adv] [v-ing] when | 102 |
|
