| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun sg] [prep] years ' | 14 |
|
| 2 | a [noun sg] of years ' | 14 |
|
| 3 | a [noun sg] [prep] years ' | 14 |
|
| 4 | a [noun sg] of years ' | 14 |
|
| 5 | a couple [prep] years ' | 10 |
|
