| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [num] year ['s] [noun sg] | 736 |
|
| 2 | [conj] [num] year ['s] [noun sg] | 124 |
|
| 3 | [conj] [prep] [num] year ['s] | 23 |
|
| 4 | [conj] [prep] [num] year [noun sg] | 21 |
|
