| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [be] [pron] [v-ing] [prep] | 858 |
|
| 2 | [be] [pron] [v-ing] [prep] be | 207 |
|
| 3 | what [be] [pron] [prep] be | 49 |
|
| 4 | what [be] [v-ing] [prep] be | 49 |
|
