| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [be] [prep] | 5804 |
|
| 2 | [v-ing] [Wh det] [be] | 787 |
|
| 3 | [v-ing] [be] [prep] | 399 |
|
| 4 | [v-ing] [Wh det] [prep] | 98 |
|
