| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] at [pers pn] [prep] | 642 |
|
| 2 | were [v-ing] [pers pn] [prep] | 239 |
|
| 3 | were [v-ing] at [pers pn] | 106 |
|
| 4 | were [v-ing] at [prep] | 6 |
|
| 5 | were at [pers pn] [prep] | 5 |
|
