| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what do it [vb infin] for | 22 |
|
| 2 | what does it [vb infin] for | 21 |
|
| 3 | what do it mean for | 7 |
|
| 4 | what do it do for | 6 |
|
| 5 | what do it stand for | 6 |
|
