| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv prt] at [det] time | 151 |
|
| 2 | [vb past] at [det] time | 143 |
|
| 3 | [vb past] [adv prt] at [det] | 109 |
|
| 4 | [vb past] [adv prt] [det] time | 27 |
|
