| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | preparation for [art] | 357 |
|
| 2 | preparation for the | 257 |
|
| 3 | preparation for the | 257 |
|
| 4 | preparation for a | 99 |
|
| 5 | preparation for a | 85 |
|
| 6 | preparation for an | 14 |
|
