| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [prep] [num] years [unc] | 69 |
|
| 2 | [adj] [prep] [num] year ['s] | 68 |
|
| 3 | [adj] [prep] [num] year ' | 66 |
|
| 4 | [adj] [prep] [num] year ' | 66 |
|
| 5 | [num] [prep] [num] year [unc] | 51 |
|
| 6 | [adj] to [num] year [unc] | 39 |
|
| 7 | [adj] after [num] year [unc] | 15 |
|
| 8 | [adj] [prep] [num] year [unc] | 11 |
|
| 9 | [adj] [prep] five year [unc] | 10 |
|
| 10 | [det] [prep] [num] year [unc] | 9 |
|
| 11 | [adj] [prep] 10 year [unc] | 8 |
|
| 12 | [adj] [prep] three year [unc] | 7 |
|
| 13 | two [prep] [num] year [unc] | 6 |
|
| 14 | two [prep] [num] year [unc] | 6 |
|
| 15 | [adj] in [num] year [unc] | 6 |
|
| 16 | [adj] [prep] four year [unc] | 5 |
|
| 17 | [adj] [prep] 20 year [unc] | 5 |
|
