| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] what it is [pron] | 62 |
|
| 2 | [verb] what it is for | 13 |
|
| 3 | what it is for [pron] | 9 |
|
| 4 | [verb] it is for [pron] | 7 |
|
