| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] at [art] [adj] [noun] | 469 |
|
| 2 | [be] [verb] at [art] [adj] rate | 153 |
|
| 3 | [be] [v-ing] [prep] [art] [adj] rate | 65 |
|
| 4 | [be] [v-ing] [prep] [art] [adj] rate | 65 |
|
| 5 | [be] [v-ing] at [art] [adj] rate | 59 |
|
