| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [adv] at [noun] | 800 |
|
| 2 | [was/were] [adv] at [noun] | 683 |
|
| 3 | [was/were] [v-ing] [adv] at | 457 |
|
| 4 | [was/were] [v-ing] at [noun] | 377 |
|
| 5 | [was/were] [v-ing] [adv] [noun] | 327 |
|
