| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] how long [modal v] [pron] | 26 |
|
| 2 | [conj] how long [modal v] [pron] | 26 |
|
| 3 | but how [adv] [modal v] [pron] | 19 |
|
| 4 | but how [adv] [modal v] [pron] | 19 |
|
| 5 | but [adv] long [modal v] [pron] | 8 |
|
| 6 | but how long [modal v] [pron] | 8 |
|
| 7 | but how long [modal v] [pron] | 8 |
|
