| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] i [be] [v-ing] do | 141 |
|
| 2 | of [Wh det] i [be] [v-ing] | 52 |
|
| 3 | of [Wh det] i [be] do | 15 |
|
