| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] us at | 11 |
|
| 2 | [be] [v-ing] us at | 9 |
|
| 3 | [is] [verb] us at | 6 |
|
| 4 | is [verb] us at | 6 |
|
