| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] at [adj] [noun] | 443 |
|
| 2 | [be] [v-ing] at [adj] [noun sg] | 258 |
|
| 3 | [be] [verb] at [adj] speed | 40 |
|
| 4 | [be] [v-ing] [prep] [adj] speed | 25 |
|
| 5 | [be] [v-ing] [prep] [adj] speed | 25 |
|
| 6 | [be] [v-ing] at [adj] speed | 22 |
|
| 7 | [be] [v-ing] at [adj] speed | 19 |
|
