| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] at [art] | 1028 |
|
| 2 | [pron] [v-ing] at [art] | 186 |
|
| 3 | [was/were] [pron] [v-ing] [art] | 91 |
|
| 4 | [was/were] [pron] [v-ing] at | 45 |
|
| 5 | [was/were] [pron] at [art] | 36 |
|
