| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [prep] | 79530 |
|
| 2 | [be] [adv] [prep] | 59728 |
|
| 3 | [be] [adv] [v-ing] | 52233 |
|
| 4 | [adv] [v-ing] [prep] | 26356 |
|
