| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [prep] [noun] | 716 |
|
| 2 | has been increased [prep] | 49 |
|
| 3 | has increased [prep] [noun] | 48 |
|
| 4 | been increased [prep] [noun] | 31 |
|
