| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] were doing at the | 6 |
|
| 2 | [pers pn] were doing at the | 5 |
|
| 3 | were doing at the [noun sg] | 7 |
|
| 4 | were doing at the [noun] | 7 |
|
| 5 | were doing at the time | 6 |
|
| 6 | were doing at the time | 6 |
|
