| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | as [subord] [verb] [prep] an | 14 |
|
| 2 | [prep] if [verb] [prep] an | 14 |
|
| 3 | [prep] [subord] [vb pp] [prep] an | 8 |
|
| 4 | [prep] [subord] [v-ing] [prep] an | 7 |
|
