| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] us at head office | 32 |
|
| 2 | [vb infin] us at [adj] office | 32 |
|
| 3 | reach us at [adj] office | 32 |
|
| 4 | reach us at [adj] office | 32 |
|
| 5 | [verb] us at [adj] office | 32 |
|
