| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a longer [noun sg] of | 22 |
|
| 2 | [prep] a longer [noun] of | 22 |
|
| 3 | [prep] a longer period of | 12 |
|
| 4 | [prep] a longer period of | 12 |
|
| 5 | over a longer [noun] of | 7 |
|
| 6 | over a longer [noun] of | 7 |
|
| 7 | of a longer [noun] of | 5 |
|
| 8 | of a longer [noun] of | 5 |
|
