| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] [prep] the [adj] rate | 13 |
|
| 2 | [is] [vb pp] [prep] the [adj] rate | 12 |
|
| 3 | [is] [vb pp] [prep] the [adj] rate | 11 |
|
| 4 | [is] [vb pp] at the [adj] rate | 7 |
|
