| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] for a | 4459 |
|
| 2 | [indef pn] for a | 276 |
|
| 3 | [v-ing] [indef pn] for | 165 |
|
| 4 | [v-ing] [indef pn] a | 56 |
|
