| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | about twenty [noun] | 340 |
|
| 2 | about [adj] percent | 109 |
|
| 3 | about twenty [n mass] | 24 |
|
| 4 | [adv] twenty percent | 23 |
|
| 5 | about twenty percent | 6 |
|
