| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [verb] an | 3636 |
|
| 2 | [prep] [subord] [verb] | 2255 |
|
| 3 | [subord] [verb] an | 690 |
|
| 4 | [prep] [subord] an | 93 |
|
