| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [pron] [be] [verb] [prep] | 3013 |
|
| 2 | [Wh det] [pron] [be] [v-ing] [prep] | 2267 |
|
| 3 | [pron] [pron] [be] waiting [prep] | 25 |
|
| 4 | [Wh det] [pron] [be] waiting [prep] | 17 |
|
| 5 | [Wh det] [pron] [be] wait [prep] | 17 |
|
