| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] had [be] [v-ing] | 198 |
|
| 2 | had [be] [v-ing] on | 185 |
|
| 3 | [Wh det] [be] [v-ing] on | 150 |
|
| 4 | [Wh det] had [be] on | 9 |
|
