| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [det] of | 414 |
|
| 2 | [be] [v-ing] at [det] | 392 |
|
| 3 | [v-ing] at [det] of | 50 |
|
| 4 | [be] at [det] of | 5 |
|
