| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] what [pron] is | 853 |
|
| 2 | what [pron] is for | 41 |
|
| 3 | [verb] [pron] is for | 35 |
|
| 4 | [verb] what is for | 6 |
|
