| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [verb] [pron] [be] [v-ing] | 159 |
|
| 2 | what have [pron] [be] [v-ing] | 135 |
|
| 3 | what [vb base] [pron] [be] [v-ing] | 117 |
|
| 4 | [pron] 've [pron] [be] [v-ing] | 25 |
|
| 5 | what 've [pron] [be] [verb] | 17 |
|
