| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num ord] [prep] a three year | 6 |
|
| 2 | [num ord] of a three year | 6 |
|
| 3 | [num ord] of a three year | 6 |
|
| 4 | [num ord] [prep] a three year | 6 |
|
