| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb base] us at | 8 |
|
| 2 | please [verb] us at | 7 |
|
| 3 | [adv] contact us at | 6 |
|
| 4 | [adv] contact us at | 6 |
|
