| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adv] [num] years [unc] | 70 |
|
| 2 | [prep] [adv] [num] years [unc] | 70 |
|
| 3 | [prep] [adv] [num] years ' | 65 |
|
| 4 | [prep] [adv] [num] years ' | 65 |
|
| 5 | [prep] [adv] [num] years ['s] | 65 |
|
| 6 | at [adv] [num] years [unc] | 37 |
|
| 7 | at [adv] [num] years [unc] | 37 |
|
| 8 | [prep] least [num] years [unc] | 35 |
|
| 9 | [prep] least [num] years [unc] | 35 |
|
| 10 | [prep] [adv] two years [unc] | 19 |
|
| 11 | [prep] over [num] years [unc] | 13 |
|
| 12 | [prep] over [num] years [unc] | 13 |
|
| 13 | with [adv] [num] years [unc] | 13 |
|
| 14 | with [adv] [num] years [unc] | 13 |
|
| 15 | of [adv] [num] years [unc] | 11 |
|
| 16 | of [adv] [num] years [unc] | 11 |
|
| 17 | [prep] nearly [num] years [unc] | 7 |
|
| 18 | [prep] [adv] five years [unc] | 7 |
|
| 19 | [prep] nearly [num] years [unc] | 7 |
|
| 20 | [prep] [adv] three years [unc] | 6 |
|
| 21 | [prep] [adv] [num] years [no cls] | 5 |
|
