| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | changed [adv] [prep] [adj] years | 17 |
|
| 2 | change [adv] in [adj] years | 16 |
|
| 3 | change [adv] [prep] [adj] years | 12 |
|
| 4 | change [adv] [prep] recent years | 10 |
|
| 5 | change [adv] [prep] recent years | 10 |
|
| 6 | change [adv] [prep] [num] years | 7 |
|
| 7 | change much [prep] [adj] years | 5 |
|
