| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun sg] for a [adj] years | 14 |
|
| 2 | [prep] [noun sg] for a few years | 9 |
|
| 3 | [prep] [noun sg] for a [det] years | 9 |
|
| 4 | [prep] [noun sg] for a few years | 9 |
|
| 5 | [prep] [noun sg] for a [num] years | 5 |
|
