| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [pers pn] 's [v-ing] | 511 |
|
| 2 | [pers pn] 's [v-ing] for | 242 |
|
| 3 | what [pers pn] [v-ing] for | 42 |
|
| 4 | what [pers pn] 's for | 29 |
|
| 5 | what 's [v-ing] for | 5 |
|
