| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] be [v-ing] at [pron] | 358 |
|
| 2 | [noun] be [v-ing] [prep] they | 150 |
|
| 3 | [noun] be [verb] at they | 21 |
|
| 4 | [noun] [be] [v-ing] at they | 15 |
|
