| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] a [adj] years ' | 13 |
|
| 2 | [noun] [prep] a [adj] years ' | 13 |
|
| 3 | [noun] [prep] a [adj] years ['s] | 13 |
|
| 4 | [noun sg] [prep] a [adj] years [unc] | 13 |
|
| 5 | [noun] [prep] a few years [unc] | 12 |
|
| 6 | [noun] [prep] a few years [unc] | 12 |
|
| 7 | [noun] [prep] a [det] years [unc] | 12 |
|
| 8 | [noun] in a [adj] years [unc] | 10 |
|
