| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun sg] [prep] a [det] | 220 |
|
| 2 | [prep] [noun sg] [prep] [det] year | 211 |
|
| 3 | [noun sg] [prep] a [det] year | 134 |
|
| 4 | [prep] [noun sg] [prep] a year | 75 |
|
| 5 | [prep] [noun sg] a [det] year | 12 |
|
