| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] [prep] [det] | 29169 |
|
| 2 | [be] [v-ing] [prep] [adj] | 8289 |
|
| 3 | [be] [v-ing] [prep] [det] | 3560 |
|
