| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | about [adj] hour | 392 |
|
| 2 | about [num] hour | 389 |
|
| 3 | about seven [noun] | 148 |
|
| 4 | [adv] seven hour | 24 |
|
| 5 | [adv] seven hour | 24 |
|
| 6 | about seven hour | 10 |
|
| 7 | about seven hour | 10 |
|
