| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [v-ing] [prep] [noun pl] | 389 |
|
| 2 | [be] [v-ing] at [noun pl] | 195 |
|
| 3 | [been] [v-ing] at [noun] | 113 |
|
| 4 | [been] [verb] at [noun pl] | 62 |
|
