| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] us [prep] a | 756 |
|
| 2 | [verb] at [prep] a | 122 |
|
| 3 | [verb] at us [prep] | 52 |
|
| 4 | at us [prep] a | 10 |
|
