| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] at [art] [det] rate | 6 |
|
| 2 | [be] [vb pp] at the [det] rate | 6 |
|
| 3 | [be] [vb pp] at [art] same rate | 6 |
|
| 4 | be [vb pp] at [art] [det] rate | 6 |
|
