| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] long [pron] could | 19 |
|
| 2 | how long [pron] could | 14 |
|
| 3 | [Wh adv] long [pron] could | 14 |
|
| 4 | how long [pron] could | 14 |
|
| 5 | [adv] long [pron] could | 5 |
|
| 6 | long [conj] [pron] could | 79 |
|
| 7 | long [subord] [pron] could | 79 |
|
| 8 | long as [pron] could | 68 |
|
| 9 | long as [pron] could | 68 |
|
| 10 | long before [pron] could | 9 |
|
| 11 | long before [pron] could | 9 |
|
| 12 | long [pron] could [vb infin] | 17 |
|
| 13 | long [pron] could [verb] | 17 |
|
