| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] time [pron] [was/were] | 641 |
|
| 2 | [prep] [art] time [pron] [was/were] | 641 |
|
| 3 | at [art] [noun] [pron] [was/were] | 567 |
|
| 4 | at [art] time [pron] [be] | 261 |
|
| 5 | at [art] time [pron] [was/were] | 225 |
|
| 6 | at [art] time [pron] [was/were] | 225 |
|
