| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [det] be [verb] [prep] | 337 |
|
| 2 | [verb] [adj] be [v-ing] [prep] | 108 |
|
| 3 | [verb] [det] [be] [v-ing] [prep] | 98 |
|
