| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv prt] [prep] a [det] [noun] | 321 |
|
| 2 | [adv] [prep] a [det] year | 62 |
|
| 3 | [adv prt] [prep] a [adj] year | 59 |
|
| 4 | [adv prt] [prep] [art] [det] year | 30 |
|
