| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [noun] for the first time | 22 |
|
| 2 | at [noun] [prep] the first time | 22 |
|
| 3 | at [noun prp] [prep] the first time | 10 |
|
| 4 | at [noun sg] [prep] the first time | 10 |
|
