| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a few years of [noun] | 14 |
|
| 2 | [prep] a few years of [noun] | 14 |
|
| 3 | [prep] a few years of [noun sg] | 12 |
|
| 4 | within a few years of [noun] | 9 |
|
| 5 | within a few years of [noun] | 9 |
|
