| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how [verb] and write | 12 |
|
| 2 | how [to-vb] [coord] write | 12 |
|
| 3 | how read [coord] write | 11 |
|
| 4 | how to read [coord] write | 11 |
|
