| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how long do it [verb] [adv prt] | 7 |
|
| 2 | how [adv] do it [verb] [adv prt] | 7 |
|
| 3 | how long do it [verb] [adv prt] | 7 |
|
| 4 | how [adv] do it [verb] [adv prt] | 7 |
|
| 5 | how do it [verb] [adv prt] [prep] | 8 |
|
| 6 | how do it [verb] [adv prt] [prep] | 8 |
|
