| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | about two [noun] | 749 |
|
| 2 | about [adj] hour | 393 |
|
| 3 | about [num] hour | 389 |
|
| 4 | [adv] two hour | 281 |
|
| 5 | about two hour | 83 |
|
