| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | as [subord] [v-ing] [art] | 156 |
|
| 2 | [prep] [subord] [v-ing] a | 107 |
|
| 3 | as [subord] [verb] a | 100 |
|
| 4 | as [conj] [v-ing] a | 80 |
|
