| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun] [prep] a few years | 19 |
|
| 2 | a [noun sg] [prep] a few years | 19 |
|
| 3 | a [noun] [prep] a few years | 17 |
|
| 4 | a [noun] of a few years | 11 |
|
| 5 | a [noun] for a few years | 5 |
|
