| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [prep] the first [noun] of | 10 |
|
| 2 | back [prep] the first [noun] of | 10 |
|
| 3 | back [prep] the first [noun sg] of | 8 |
|
| 4 | back to the first [noun] of | 6 |
|
| 5 | back to the first [noun] of | 6 |
|
