| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [prep] [num] years [unc] | 69 |
|
| 2 | [adj] [prep] [num] years ' | 66 |
|
| 3 | [adj] [prep] [num] years ['s] | 66 |
|
| 4 | [adj] [prep] [num] years ' | 66 |
|
| 5 | [num] [prep] [num] years [unc] | 50 |
|
| 6 | [adj] to [num] years [unc] | 38 |
|
| 7 | [adj] to [num] years [unc] | 38 |
|
| 8 | [adj] after [num] years [unc] | 15 |
|
| 9 | [adj] after [num] years [unc] | 15 |
|
| 10 | [adj] [prep] [num] years [unc] | 11 |
|
| 11 | [adj] [prep] five years [unc] | 10 |
|
| 12 | [adj] [prep] 10 years [unc] | 8 |
|
| 13 | [det] [prep] [num] years [unc] | 8 |
|
| 14 | [adj] [prep] three years [unc] | 7 |
|
| 15 | [adj] in [num] years [unc] | 6 |
|
| 16 | [adj] in [num] years [unc] | 6 |
|
| 17 | two [prep] [num] years [unc] | 6 |
|
| 18 | two [prep] [num] years [unc] | 6 |
|
| 19 | [adj] [prep] 20 years [unc] | 5 |
|
