| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [pron] [be] [v-ing] for | 449 |
|
| 2 | what [pron] [is] [v-ing] [prep] | 228 |
|
| 3 | [pron] [pron] [is] [v-ing] for | 41 |
|
| 4 | what [pron] [is] [verb] for | 29 |
|
| 5 | [Wh det] [pron] [is] [v-ing] for | 26 |
|
| 6 | what [pron] [is] [v-ing] for | 23 |
|
