| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] be | 1060 |
|
| 2 | [prep] [v-ing] be | 1060 |
|
| 3 | at [verb] be | 28 |
|
| 4 | at [v-ing] [be] | 24 |
|
| 5 | at [v-ing] be | 24 |
|
