| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [num] years ['s] | 110 |
|
| 2 | [adv] [num] years ' | 110 |
|
| 3 | [adv] [num] years ' | 110 |
|
| 4 | least [num] years [unc] | 35 |
|
| 5 | [adv] two years [unc] | 29 |
|
| 6 | over [num] years [unc] | 27 |
|
| 7 | [adv] three years [unc] | 14 |
|
| 8 | nearly [num] years [unc] | 14 |
|
| 9 | about [num] years [unc] | 13 |
|
| 10 | [adv] [num] years [no cls] | 12 |
|
| 11 | [adv] five years [unc] | 11 |
|
| 12 | [adv] 20 years [unc] | 7 |
|
| 13 | only [num] years [unc] | 7 |
|
| 14 | [adv] ten years [unc] | 7 |
|
| 15 | [adv] twenty years [unc] | 6 |
|
| 16 | [adv] [num] years er | 6 |
|
| 17 | [adv] [num] years er | 6 |
|
| 18 | [adv] 40 years [unc] | 6 |
|
| 19 | almost [num] years [unc] | 5 |
|
