| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [prep] be | 5489 |
|
| 2 | [be] [v-ing] [prep] [v-ing] | 1207 |
|
| 3 | [v-ing] [prep] be [v-ing] | 396 |
|
| 4 | [be] [v-ing] be [v-ing] | 200 |
|
| 5 | [be] [prep] be [v-ing] | 48 |
|
