| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [prep] this | 913 |
|
| 2 | 's [be] [v-ing] [prep] | 332 |
|
| 3 | 's [be] [v-ing] this | 12 |
|
| 4 | 's [be] [prep] this | 10 |
|
