| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [be] [prep] [v-ing] | 2658 |
|
| 2 | [Wh det] [be] [prep] [v-ing] | 50 |
|
| 3 | which [be] [prep] [verb] | 41 |
|
| 4 | which [be] [prep] [v-ing] | 39 |
|
