| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] at [art] [adj] | 533 |
|
| 2 | [be] [v-ing] [prep] [art] [det] | 339 |
|
| 3 | [be] [v-ing] [prep] [art] [det] | 339 |
|
| 4 | [be] [verb] at [art] [det] | 321 |
|
| 5 | [be] [v-ing] at [art] [det] | 60 |
|
