| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] the [num ord] twenty years | 90 |
|
| 2 | [noun] [prep] the last twenty years | 63 |
|
| 3 | [noun sg] [prep] the [num ord] twenty years | 53 |
|
| 4 | [noun pl] [prep] the [num ord] twenty years | 31 |
|
| 5 | [noun] over the [num ord] twenty years | 30 |
|
| 6 | [noun] [prep] the next twenty years | 25 |
|
| 7 | [noun] for the [num ord] twenty years | 21 |
|
| 8 | [noun] in the [num ord] twenty years | 18 |
|
| 9 | [noun] of the [num ord] twenty years | 10 |
|
| 10 | [noun] during the [num ord] twenty years | 9 |
|
| 11 | [noun prp] [prep] the [num ord] twenty years | 6 |
|
