| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how [adv] [vb past] [pers pn] [adv] [vb infin] | 7 |
|
| 2 | how [adv] [vb past] [pers pn] [adv] [vb infin] | 7 |
|
| 3 | how long [vb past] [pers pn] [adv] [vb infin] | 5 |
|
| 4 | how long [vb past] [pers pn] [adv] [vb infin] | 5 |
|
