| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] used for the first [noun] | 10 |
|
| 2 | [be] used for the first [noun sg] | 9 |
|
| 3 | [be] used for the first time | 8 |
|
| 4 | [be] used for the first time | 8 |
|
