| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] long it [vb -s] | 88 |
|
| 2 | how long it [vb -s] | 76 |
|
| 3 | how long it [vb -s] | 76 |
|
| 4 | [adv] long it takes | 67 |
|
| 5 | however long it [vb -s] | 17 |
|
| 6 | however long it [vb -s] | 12 |
|
| 7 | [adv] long it [vb -s] | 8 |
|
| 8 | [adv] long it 's | 6 |
|
| 9 | however long it [vb -s] | 5 |
|
| 10 | [adv] long it has | 5 |
|
| 11 | [adv] long it lasts | 5 |
|
