| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of [verb] [prep] | 12278 |
|
| 2 | of [v-ing] [prep] | 11532 |
|
| 3 | [prep] preparing [prep] | 76 |
|
| 4 | of prepare [prep] | 21 |
|
