| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] us at [adj] | 72 |
|
| 2 | [prep] at [adj] time | 34 |
|
| 3 | us at [adj] time | 23 |
|
| 4 | [prep] us [adj] time | 7 |
|
