| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [noun prp] for the first [noun] | 12 |
|
| 2 | at [noun prp] for [art] first [noun sg] | 11 |
|
| 3 | at [noun prp] for [art] first time | 10 |
|
| 4 | at [noun prp] for [art] first time | 10 |
|
