| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] at the [det] time | 65 |
|
| 2 | they [vb past] at the time | 20 |
|
| 3 | they [vb past] at the [det] | 19 |
|
| 4 | they at the [det] time | 15 |
|
| 5 | they [vb past] at [det] time | 6 |
|
