| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of how long | 39 |
|
| 2 | of [Wh adv] long | 39 |
|
| 3 | of how long | 39 |
|
| 4 | of [adv] long | 9 |
|
| 5 | of too long | 6 |
|
| 6 | of too long | 6 |
|
