| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adv] long | 1825 |
|
| 2 | [prep] how [adv] | 1246 |
|
| 3 | [prep] how [adv] | 1222 |
|
| 4 | [prep] how long | 248 |
|
| 5 | [prep] how long | 248 |
|
| 6 | [prep] [Wh adv] long | 248 |
|
| 7 | [prep] how long | 248 |
|
