| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [det] [noun] | 24438 |
|
| 2 | [v-ing] [det] [noun] | 21948 |
|
| 3 | [v-ing] at [noun] | 4590 |
|
| 4 | [v-ing] at [det] | 1424 |
|
