| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num] years [prep] the first instance | 7 |
|
| 2 | [adj] years [prep] the first instance | 7 |
|
| 3 | two years [prep] the first instance | 5 |
|
| 4 | two years [prep] the first instance | 5 |
|
