| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] of twenty year | 51 |
|
| 2 | [noun sg] of twenty year | 44 |
|
| 3 | period of twenty year | 13 |
|
| 4 | period of twenty year | 13 |
|
| 5 | [noun pl] of twenty year | 6 |
|
| 6 | of [adv] twenty year | 8 |
|
| 7 | of [adv] twenty year | 8 |
|
| 8 | of [det] twenty year | 6 |
|
| 9 | of [adj] twenty year | 6 |
|
| 10 | of some twenty year | 5 |
|
| 11 | of some twenty year | 5 |
|
| 12 | of twenty [num] year | 8 |
|
| 13 | of twenty [adj] year | 8 |
|
| 14 | of twenty year [adv] | 11 |
|
| 15 | of twenty year [adv] | 11 |
|
| 16 | of twenty year [prep] | 8 |
|
| 17 | of twenty year [prep] | 8 |
|
| 18 | of twenty year ' | 7 |
|
| 19 | of twenty year ['s] | 7 |
|
| 20 | of twenty year ' | 7 |
|
| 21 | of twenty year [unc] | 7 |
|
