| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [pers pn] be [v-ing] at [adj] | 8 |
|
| 2 | [vb past] [pers pn] be [verb] at [det] | 7 |
|
| 3 | [vb past] [pers pn] was [verb] at [adj] | 7 |
|
