| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how long [verb] i | 22 |
|
| 2 | [Wh adv] long [verb] i | 22 |
|
| 3 | [Wh adv] long [vb base] i | 19 |
|
| 4 | [Wh adv] long have i | 18 |
|
| 5 | [Wh adv] long have i | 15 |
|
