| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which is [v-ing] [noun] | 137 |
|
| 2 | is [v-ing] at [noun] | 122 |
|
| 3 | which is at [noun] | 55 |
|
| 4 | which is [v-ing] at | 19 |
|
