| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] how long did it [vb infin] | 6 |
|
| 2 | [coord] how [adv] did it [vb infin] | 6 |
|
| 3 | [coord] how long did it [vb infin] | 6 |
|
| 4 | [coord] how [adv] did it [vb infin] | 6 |
|
