| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] it is [vb pp] for | 9 |
|
| 2 | [Wh det] it is [verb] for | 9 |
|
| 3 | which it is [verb] for | 6 |
|
| 4 | which it is [verb] for | 6 |
|
| 5 | [pron] it is use for | 5 |
|
