| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [prep] a [det] years | 133 |
|
| 2 | [noun sg] [prep] a few years | 132 |
|
| 3 | [noun sg] [prep] a few [det] | 33 |
|
| 4 | [prep] a few [det] years | 16 |
|
