| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [pron] [be] [v-ing] [prep] | 2444 |
|
| 2 | know what [pron] [be] [v-ing] | 437 |
|
| 3 | know [pron] [be] [v-ing] [prep] | 217 |
|
| 4 | know what [pron] [be] [prep] | 150 |
|
| 5 | know what [be] [v-ing] [prep] | 21 |
|
