| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [Wh det] he [be] [v-ing] | 379 |
|
| 2 | [prep] [Wh det] [be] [v-ing] [prep] | 372 |
|
| 3 | [Wh det] he [be] [v-ing] [prep] | 333 |
|
| 4 | [prep] [Wh det] he [be] [prep] | 38 |
|
