| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] three years | 1472 |
|
| 2 | [prep] three years | 1472 |
|
| 3 | over [adj] years | 446 |
|
| 4 | over three [noun pl] | 15 |
|
| 5 | over three [noun] | 15 |
|
| 6 | over three years | 6 |
|
| 7 | over three year | 6 |
|
