| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | about [adj] | 20694 |
|
| 2 | about [num] | 19129 |
|
| 3 | [adv] fifteen | 576 |
|
| 4 | [adv] fifteen | 540 |
|
| 5 | about fifteen | 243 |
|
| 6 | about fifteen | 243 |
|
