| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [pron] [pron] [be] [v-ing] [prep] | 184 |
|
| 2 | [noun] [Wh det] [pron] [be] [v-ing] [prep] | 156 |
|
| 3 | [noun] what [pron] [be] [verb] [prep] | 84 |
|
| 4 | [noun] what [pron] [be] [v-ing] [prep] | 80 |
|
