| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [pron] [vb base] is | 1017 |
|
| 2 | what [pron] [vb base] for | 233 |
|
| 3 | what [pron] is for | 41 |
|
| 4 | [pron] [vb base] is for | 41 |
|
