| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] conference on the [noun] | 40 |
|
| 2 | [noun] [noun] on the environment | 36 |
|
| 3 | [noun] conference on [art] environment | 10 |
|
| 4 | [noun] conference [prep] the environment | 10 |
|
| 5 | [noun] conference on the environment | 10 |
|
| 6 | [noun] conference on [art] environment | 10 |
|
| 7 | [noun] conference on the environment | 10 |
|
| 8 | [noun] conference [prep] the environment | 10 |
|
