| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for [adv] [adj] years | 1415 |
|
| 2 | for [adv] [num] years | 1298 |
|
| 3 | [prep] [adv] twenty years | 123 |
|
| 4 | [prep] [adv] twenty years | 123 |
|
| 5 | for [adv] twenty [noun] | 106 |
|
| 6 | for [adv] twenty [noun pl] | 105 |
|
| 7 | for [adv] twenty years | 83 |
|
| 8 | for [adv] twenty years | 83 |
|
| 9 | for [adv] twenty years | 83 |
|
| 10 | for [adv] twenty year | 83 |
|
