| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [be] [v-ing] [det] of | 48 |
|
| 2 | [verb] [be] [v-ing] at [det] | 32 |
|
| 3 | [be] [v-ing] at [det] of | 13 |
|
