| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adj] [noun sg] a | 1729 |
|
| 2 | [adj] [noun sg] a year | 179 |
|
| 3 | [prep] [noun sg] a year | 106 |
|
| 4 | [prep] [adj] a year | 93 |
|
| 5 | [prep] [adj] [noun sg] year | 67 |
|
