| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [prep] [art] | 11349 |
|
| 2 | preparing [prep] [art] | 218 |
|
| 3 | [prep] preparing [art] | 197 |
|
| 4 | [prep] preparing [prep] | 76 |
|
