| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [was/were] [v-ing] at [art] | 459 |
|
| 2 | [was/were] [v-ing] at [art] time | 71 |
|
| 3 | [pers pn] [was/were] at [art] time | 45 |
|
| 4 | [pers pn] [v-ing] at [art] time | 6 |
|
