| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how do he [adv] [vb infin] | 5 |
|
| 2 | how [vb past] he [adv] [vb infin] | 5 |
|
| 3 | how did he [adv] [vb infin] | 5 |
|
