| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [v-ing] [prep] | 19856 |
|
| 2 | [v-ing] [to-vb] [prep] | 8747 |
|
| 3 | [conj] [to-vb] [prep] | 3190 |
|
| 4 | [conj] [v-ing] [to-vb] | 3094 |
|
