| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] at [art] [adj] [noun] | 469 |
|
| 2 | [be] [v-ing] at [art] [adj] [noun sg] | 424 |
|
| 3 | [be] [verb] at [art] [adj] rate | 152 |
|
| 4 | [be] [v-ing] [prep] [art] [adj] rate | 64 |
|
| 5 | [be] [v-ing] [prep] [art] [adj] rate | 64 |
|
| 6 | [be] [v-ing] at [art] [adj] rate | 59 |
|
| 7 | [be] [v-ing] at [art] [adj] rate | 59 |
|
