| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [verb] by [noun sg] | 595 |
|
| 2 | [verb] [to-vb] by [noun sg] | 217 |
|
| 3 | [verb] to learn [prep] [noun sg] | 33 |
|
| 4 | [verb] learn by [noun sg] | 14 |
|
| 5 | [verb] to learn by [noun] | 5 |
|
