| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] was [prep] be | 2003 |
|
| 2 | [noun] rate [prep] be | 28 |
|
| 3 | [noun] rate was [prep] | 17 |
|
| 4 | rate was [prep] be | 6 |
|
