| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [pron] [be] [v-ing] | 10075 |
|
| 2 | [Wh det] [pron] be [v-ing] | 10074 |
|
| 3 | [Wh det] [pron] [was/were] [v-ing] | 3349 |
|
| 4 | [Wh det] [pron] were [verb] | 1509 |
|
| 5 | [pron] [pron] were [v-ing] | 1244 |
|
