| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [num] years [unc] [noun sg] | 681 |
|
| 2 | [vb pp] [prep] [num] years [unc] | 118 |
|
| 3 | [vb pp] [prep] [num] [unc] [noun sg] | 35 |
|
| 4 | [vb pp] [prep] [num] years [noun sg] | 29 |
|
| 5 | [vb pp] [num] years [unc] [noun sg] | 15 |
|
