| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [det] [adj] time | 848 |
|
| 2 | at [adj] time [subord] | 140 |
|
| 3 | at [det] time [subord] | 129 |
|
| 4 | at [det] [adj] [subord] | 68 |
|
| 5 | [det] [adj] time [subord] | 45 |
|
