| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] be [v-ing] [prep] [noun] | 338 |
|
| 2 | [vb -s] be [verb] at [noun] | 170 |
|
| 3 | [verb] be [v-ing] at [noun] | 96 |
|
| 4 | [vb -s] [be] [v-ing] at [noun] | 25 |
|
