| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] [prep] a | 3756 |
|
| 2 | [prep] [v-ing] [prep] a | 3755 |
|
| 3 | for [v-ing] [prep] [art] | 1233 |
|
| 4 | for [v-ing] [prep] [art] | 1233 |
|
| 5 | for [v-ing] [prep] a | 312 |
|
| 6 | for [verb] [prep] a | 290 |
|
| 7 | for [v-ing] [prep] a | 266 |
|
