| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] for a | 4459 |
|
| 2 | for a [num ord] | 836 |
|
| 3 | [v-ing] a [num ord] | 448 |
|
| 4 | [v-ing] for [num ord] | 49 |
|
