| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] about [adj] | 2575 |
|
| 2 | [adv] about [num] | 2202 |
|
| 3 | [adv] [adv] 20 | 111 |
|
| 4 | [adv] about 20 | 44 |
|
