| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv] about [noun sg] | 337 |
|
| 2 | [to-vb] [adv] about [noun sg] | 61 |
|
| 3 | learn [adv] about [noun sg] | 18 |
|
| 4 | to learn [adv] about [noun] | 12 |
|
| 5 | to learn [adv] [prep] [noun sg] | 8 |
|
