| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] develop in recent years | 7 |
|
| 2 | have develop in recent years | 7 |
|
| 3 | [be] develop in recent years | 6 |
|
| 4 | be develop in recent years | 6 |
|
| 5 | [been] develop in recent years | 6 |
|
| 6 | been develop in recent years | 6 |
|
