| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun prp] for a | 922 |
|
| 2 | at [noun prp] [prep] a | 390 |
|
| 3 | at [noun prp] [prep] a | 390 |
|
| 4 | at [noun] for a | 237 |
|
| 5 | at [noun prp] for [art] | 149 |
|
| 6 | at [noun prp] for a | 63 |
|
