| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [adj] years [noun prp] | 10 |
|
| 2 | a [det] years [noun prp] | 9 |
|
| 3 | a few years [noun prp] | 6 |
|
| 4 | a few years [noun prp] | 6 |
|
