| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [verb] be [verb] [prep] | 295 |
|
| 2 | [verb] [verb] be [v-ing] [prep] | 73 |
|
| 3 | [vb base] [verb] [be] [v-ing] [prep] | 15 |
|
