| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know what [noun] [be] talking [prep] | 5 |
|
| 2 | know what [noun] [be] talking [prep] | 5 |
|
| 3 | know what [noun] [be] talking about | 5 |
|
| 4 | know what [noun] [be] talking about | 5 |
|
