| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] at [det] [noun] | 736 |
|
| 2 | was [v-ing] [det] [noun] | 559 |
|
| 3 | was at [det] [noun] | 352 |
|
| 4 | was [v-ing] at [noun] | 276 |
|
| 5 | was [v-ing] at [det] | 79 |
|
