| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been [verb] [prep] [num] [noun] | 320 |
|
| 2 | [verb] been reduce [prep] [num] [noun] | 21 |
|
| 3 | [vb past] been reduce [prep] [adj] [noun] | 17 |
|
| 4 | [vb past] [been] reduce [prep] [num] [noun] | 14 |
|
| 5 | [vb past] been reduce [prep] [num] [noun] | 14 |
|
| 6 | [vb past] [be] reduce [prep] [num] [noun] | 14 |
|
| 7 | [vb past] be reduce [prep] [num] [noun] | 14 |
|
