| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [prep] an [adj] | 368 |
|
| 2 | replace [prep] an [adj] | 57 |
|
| 3 | replace it [prep] [adj] | 19 |
|
| 4 | replace it [prep] an | 13 |
|
