| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] for a | 487 |
|
| 2 | after [v-ing] [prep] a | 271 |
|
| 3 | after [v-ing] for [art] | 86 |
|
| 4 | after [v-ing] for [art] | 86 |
|
| 5 | after [v-ing] for a | 40 |
|
| 6 | after [verb] for a | 39 |
|
