| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun pl] at the [adj] | 275 |
|
| 2 | [prep] [noun pl] at the time | 57 |
|
| 3 | [noun pl] at the [adj] time | 56 |
|
| 4 | [prep] [noun pl] the [adj] time | 5 |
|
