| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [am/are] [v-ing] at the [noun] | 241 |
|
| 2 | [v-ing] on at the [noun] | 65 |
|
| 3 | [am/are] [v-ing] on at the | 10 |
|
| 4 | [am/are] [v-ing] on the [noun] | 6 |
|
| 5 | [am/are] on at the [noun] | 5 |
|
