| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to develop and [verb] [art] | 54 |
|
| 2 | to develop and [vb infin] [art] | 53 |
|
| 3 | to develop and maintain [art] | 5 |
|
| 4 | to develop and maintain [art] | 5 |
|
