| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] [pron] | 36740 |
|
| 2 | [be] [v-ing] [pron] | 28827 |
|
| 3 | [prep] [be] [v-ing] | 8008 |
|
| 4 | [prep] [be] [pron] | 3050 |
|
