| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at the [det] [noun] | 8071 |
|
| 2 | at the [adj] time | 7867 |
|
| 3 | [prep] the [det] time | 7326 |
|
| 4 | at [art] [det] time | 6930 |
|
