| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [pers pn] [be] [v-ing] for | 449 |
|
| 2 | [pers pn] 've [be] [v-ing] for | 219 |
|
| 3 | what [pers pn] 've [be] [v-ing] | 171 |
|
