| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [v-ing] [prep] [pron] at the | 7 |
|
| 2 | [is] [v-ing] [prep] [pron] at the | 7 |
|
| 3 | [is] [v-ing] [pron] at the [noun] | 5 |
|
