| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how long [verb] you [adv] [vb infin] | 6 |
|
| 2 | [Wh adv] long [verb] you [adv] [vb infin] | 6 |
|
| 3 | how long [verb] you [adv] [vb infin] | 6 |
|
| 4 | [adv] long do you [adv] [vb infin] | 6 |
|
