| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how long [pron] [modal v] [vb infin] [pers pn] | 24 |
|
| 2 | how long [pron] [modal v] [verb] [pers pn] | 24 |
|
| 3 | how long [pron] [modal v] [verb] [pers pn] | 24 |
|
| 4 | how long [pron] [vb mod] [verb] [pers pn] | 24 |
|
| 5 | how long [pers pn] [modal v] [verb] [pers pn] | 24 |
|
| 6 | how long [pron] [modal v] [verb] it | 12 |
|
| 7 | how long it [modal v] [verb] [pers pn] | 12 |
|
| 8 | how long it [modal v] [verb] [pers pn] | 12 |
|
| 9 | how long [pron] [modal v] take [pers pn] | 10 |
|
| 10 | how long [pron] [modal v] take [pers pn] | 10 |
|
| 11 | how long [pron] will [verb] [pers pn] | 7 |
|
| 12 | how long [pron] can [verb] [pers pn] | 6 |
|
| 13 | how long [pron] would [verb] [pers pn] | 6 |
|
| 14 | how long [pron] would [verb] [pers pn] | 6 |
|
| 15 | how long [pron] can [verb] [pers pn] | 6 |
|
| 16 | how long [pron] 'll [verb] [pers pn] | 5 |
|
