| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | so as [art] [noun] | 24 |
|
| 2 | as to reduce [art] [noun] | 10 |
|
| 3 | so as to reduce [art] | 9 |
|
| 4 | so as to reduce [noun] | 6 |
|
