| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how long [verb] you think | 27 |
|
| 2 | how long do you think | 27 |
|
| 3 | how long [verb] you think | 27 |
|
| 4 | how long [vb base] you think | 27 |
|
| 5 | how long do you think | 27 |
|
