| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [was/were] [v-ing] [prep] the | 3257 |
|
| 2 | [pron] [was/were] [verb] at the | 911 |
|
| 3 | [pron] [be] [v-ing] at the | 766 |
|
| 4 | [pron] [was/were] [v-ing] at [art] | 540 |
|
| 5 | [pron] [was/were] [v-ing] at [art] | 540 |
|
| 6 | [pron] [was/were] [v-ing] at the | 422 |
|
