| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | united states [prep] the first time | 5 |
|
| 2 | united [noun] for the first time | 5 |
|
| 3 | united [noun] for the first time | 5 |
|
| 4 | united [noun] [prep] the first time | 5 |
|
| 5 | united states [prep] the first time | 5 |
|
| 6 | united [noun] [prep] the first time | 5 |
|
| 7 | united [noun prp] [prep] the first time | 5 |
|
