| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how long [be] [pron] [verb] [prep] | 11 |
|
| 2 | how long [be] [pron] [adv] [prep] | 11 |
|
| 3 | how long [be] [pron] [adv] [prep] | 8 |
|
| 4 | how long [be] [pron] [v-ing] [prep] | 8 |
|
| 5 | how long [be] [pron] here [prep] | 6 |
|
| 6 | how long [be] [pron] here [prep] | 6 |
|
| 7 | how long [be] [pron] [prep] [art] | 5 |
|
| 8 | how long [be] [pron] [prep] the | 5 |
|
| 9 | how long [be] [pron] [prep] the | 5 |
|
| 10 | how long [be] [pron] [prep] [art] | 5 |
|
