| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] [prep] a [adj] [noun] | 1855 |
|
| 2 | be [verb] [prep] a [adj] environment | 22 |
|
| 3 | [be] [verb] [prep] a [adj] environment | 22 |
|
| 4 | been [verb] [prep] [art] [adj] environment | 11 |
|
| 5 | been [verb] [prep] [art] [adj] environment | 11 |
|
| 6 | been [verb] [prep] a [adj] environment | 7 |
|
| 7 | [been] [verb] [prep] a [adj] environment | 6 |
|
| 8 | been [verb] [prep] a [adj] environment | 6 |
|
