| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | as [v-ing] [prep] | 1569 |
|
| 2 | as [be] [prep] | 567 |
|
| 3 | [v-ing] [be] [prep] | 399 |
|
| 4 | as [v-ing] [be] | 204 |
|
