| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [v-ing] for a | 359 |
|
| 2 | [v-ing] for a [num ord] | 61 |
|
| 3 | [adv] [v-ing] a [num ord] | 29 |
|
| 4 | [adv] for a [num ord] | 25 |
|
