| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [adj] year | 2164 |
|
| 2 | a [num] year | 1095 |
|
| 3 | a three [noun] | 547 |
|
| 4 | a three [noun sg] | 499 |
|
| 5 | [art] three year | 171 |
|
| 6 | a three year | 133 |
|
| 7 | a three year | 132 |
|
