| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] twenty year ' [noun sg] | 19 |
|
| 2 | [prep] twenty year ' [noun sg] | 19 |
|
| 3 | [prep] twenty years ' [noun sg] | 19 |
|
| 4 | [prep] twenty year ' [noun sg] | 19 |
|
| 5 | in twenty year ' [noun sg] | 9 |
|
| 6 | in twenty year ' [noun sg] | 9 |
|
| 7 | [prep] twenty year ' time | 8 |
|
| 8 | of twenty year ' [noun sg] | 5 |
|
| 9 | of twenty year ' [noun sg] | 5 |
|
