| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [vb past] at [det] | 168 |
|
| 2 | [vb past] at [det] time | 143 |
|
| 3 | they at [det] time | 30 |
|
| 4 | they [vb past] [det] time | 21 |
|
