| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [pron] [be] [v-ing] [prep] | 2452 |
|
| 2 | what [pron] [be] [v-ing] [prep] | 2444 |
|
| 3 | [coord] what [pron] [be] [v-ing] | 376 |
|
| 4 | [coord] what [be] [v-ing] [prep] | 46 |
|
| 5 | [coord] what [pron] [be] [prep] | 33 |
|
