| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | open [prep] the first [noun] | 11 |
|
| 2 | open [prep] the first [noun sg] | 11 |
|
| 3 | open [prep] the first time | 6 |
|
| 4 | open [prep] the first time | 6 |
|
