| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [pron] [be] [v-ing] [prep] | 2444 |
|
| 2 | [pers pn] [pron] [be] [v-ing] [prep] | 340 |
|
| 3 | [pers pn] what [pron] [be] [v-ing] | 226 |
|
| 4 | [pers pn] what [pron] [be] [prep] | 35 |
|
| 5 | [pers pn] what [be] [v-ing] [prep] | 17 |
|
