| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] [adv] twenty years | 53 |
|
| 2 | [noun sg] [prep] [adv] twenty years | 34 |
|
| 3 | [verb] [prep] [adv] twenty years | 21 |
|
| 4 | [vb pp] [prep] [adv] twenty years | 12 |
|
| 5 | [noun pl] [prep] [adv] twenty years | 10 |
|
| 6 | [noun prp] [prep] [adv] twenty years | 9 |
|
| 7 | [prep] [prep] [adv] twenty years | 9 |
|
| 8 | [prep] [prep] [adv] twenty years | 9 |
|
| 9 | for [prep] [adv] twenty years | 6 |
|
| 10 | for [prep] [adv] twenty years | 6 |
|
| 11 | [pron] [prep] [adv] twenty years | 5 |
|
| 12 | period [prep] [adv] twenty years | 5 |
|
| 13 | period [prep] [adv] twenty years | 5 |
|
| 14 | [adj] [prep] [adv] twenty years | 5 |
|
| 15 | [prep] [noun] [adv] twenty years | 10 |
|
| 16 | [prep] [prep] [adv] twenty years | 9 |
|
| 17 | [prep] [prep] [adv] twenty years | 9 |
|
| 18 | [prep] at [adv] twenty years | 8 |
|
| 19 | [prep] at [adv] twenty years | 8 |
|
| 20 | [prep] [noun sg] [adv] twenty years | 5 |
|
| 21 | [prep] [adv] than twenty years | 36 |
|
| 22 | [prep] [adv] [subord] twenty years | 36 |
|
| 23 | [prep] [adv] [conj] twenty years | 36 |
|
| 24 | [prep] [adv] than twenty years | 36 |
|
| 25 | [prep] [adv] twenty [num] years | 5 |
|
| 26 | [prep] [adv] twenty [adj] years | 5 |
|
| 27 | [prep] [adv] twenty years [prep] | 15 |
|
| 28 | [prep] [adv] twenty years [prep] | 15 |
|
| 29 | [prep] [adv] twenty years [conj] | 14 |
|
| 30 | [prep] [adv] twenty years [coord] | 9 |
|
