| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [prep] a [num] year | 15 |
|
| 2 | [noun prp] [prep] a [adj] year | 10 |
|
| 3 | [noun prp] for a [adj] year | 10 |
|
| 4 | [noun prp] [prep] a two year | 7 |
|
| 5 | [noun prp] [prep] a two year | 7 |
|
| 6 | [noun prp] on a [adj] year | 5 |
|
| 7 | [noun prp] in a [adj] year | 5 |
|
