| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [v-ing] at the | 150 |
|
| 2 | [v-ing] on at the | 82 |
|
| 3 | is [v-ing] on at | 18 |
|
| 4 | is on at the | 9 |
|
| 5 | is [v-ing] on the | 6 |
|
