| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb base] [be] [v-ing] | 4867 |
|
| 2 | [Wh pn] [verb] [be] [v-ing] | 1049 |
|
| 3 | [Wh pn] [vb base] [be] [verb] | 764 |
|
