| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] for a | 4459 |
|
| 2 | [pron] for a | 2761 |
|
| 3 | [v-ing] [pron] a | 2005 |
|
| 4 | [v-ing] [pron] for | 1875 |
|
