| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [pron] [verb] [be] [v-ing] | 227 |
|
| 2 | which it [verb] [be] [verb] | 155 |
|
| 3 | [pron] it [verb] [be] [v-ing] | 26 |
|
