| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [prep] | 79530 |
|
| 2 | [be] [v-ing] are | 134 |
|
| 3 | [v-ing] are [prep] | 38 |
|
| 4 | [be] are [prep] | 7 |
|
