| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [num] year [coord] [adv] and | 6 |
|
| 2 | [prep] [num] year [coord] [adv] and | 6 |
|
| 3 | [adj] [num] year [coord] [adv] and | 5 |
|
| 4 | [num] year [coord] [adv] and [adj] | 5 |
|
