| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [prep] [be] | 9459 |
|
| 2 | [v-ing] [ex0] [be] | 455 |
|
| 3 | [ex0] [prep] [be] | 217 |
|
| 4 | [v-ing] [ex0] [prep] | 6 |
|
