| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [prep] [num] years [unc] [noun] | 107 |
|
| 2 | [vb pp] [prep] [num] years [unc] [noun] | 107 |
|
| 3 | [verb] in [num] years [unc] [noun] | 23 |
|
| 4 | [vb pp] in [num] [noun] [unc] [noun] | 18 |
|
| 5 | [vb pp] in [num] [noun pl] [unc] [noun] | 11 |
|
| 6 | [vb pp] in [num] year [unc] [noun] | 9 |
|
| 7 | [vb pp] in [adj] years [unc] [noun] | 7 |
|
| 8 | [vb pp] in [num] years [unc] [noun] | 7 |
|
