| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pron] for a | 923 |
|
| 2 | at [pron] [prep] a | 701 |
|
| 3 | at [pron] [prep] a | 701 |
|
| 4 | at [pron] for [art] | 240 |
|
| 5 | at [pron] for a | 201 |
|
