| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [prep] the | 15796 |
|
| 2 | [be] [v-ing] at the | 1743 |
|
| 3 | [be] [v-ing] at [prep] | 74 |
|
| 4 | [v-ing] at [prep] the | 24 |
|
| 5 | [be] at [prep] the | 18 |
|
