| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] [prep] [be] | 17708 |
|
| 2 | be [v-ing] [prep] [be] | 6484 |
|
| 3 | be [v-ing] [prep] [be] | 5490 |
|
| 4 | [be] [v-ing] [prep] [be] | 5064 |
|
