| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] about [noun sg] | 453 |
|
| 2 | to learn about [noun sg] | 41 |
|
| 3 | [vb base] to learn [noun sg] | 18 |
|
| 4 | [vb base] to learn about | 13 |
|
