| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] year | 1711 |
|
| 2 | [prep] [art] ten year | 98 |
|
| 3 | [prep] [art] ten year | 98 |
|
| 4 | [prep] a ten [noun] | 67 |
|
| 5 | [prep] a ten year | 24 |
|
