| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [adv] for a | 526 |
|
| 2 | after [v-ing] [adv] a | 67 |
|
| 3 | after [v-ing] for a | 39 |
|
| 4 | after [v-ing] [adv] for | 38 |
|
