| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] for a couple of | 145 |
|
| 2 | [v-ing] [adv] a couple of | 36 |
|
| 3 | [v-ing] for a couple of | 19 |
|
| 4 | [v-ing] [adv] for a couple | 13 |
|
