| No | Pattern | Freq | Relations |
|---|---|---|---|
| 31 | [prep] a twenty year | 6 |
|
| 32 | about a [num] year | 6 |
|
| 33 | [prep] a 21 year | 6 |
|
| 34 | [prep] a 40 year | 6 |
|
| 35 | within a [num] year | 5 |
|
| 36 | [prep] a 25 year | 5 |
|
| 37 | [prep] a seventeen year | 5 |
|
