| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] developed [prep] [art] years | 9 |
|
| 2 | have developed [prep] [art] years | 9 |
|
| 3 | developed [prep] [art] [adj] years | 8 |
|
| 4 | developed [prep] [art] [adj] years | 6 |
|
