| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [verb] be [verb] in | 555 |
|
| 2 | [pron] [verb] be [v-ing] in | 425 |
|
| 3 | which [verb] be [v-ing] [prep] | 131 |
|
| 4 | which [verb] [be] [v-ing] in | 22 |
|
