| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] [prep] [num] years | 971 |
|
| 2 | [prep] [noun] [prep] [num] years | 971 |
|
| 3 | [prep] [noun] in [num] [noun] | 829 |
|
| 4 | [prep] [noun] in [num] [noun pl] | 489 |
|
| 5 | [prep] [noun] in [adj] years | 283 |
|
| 6 | [prep] [noun] in [num] year | 88 |
|
| 7 | [prep] [noun] in [num] years | 74 |
|
