| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to and [verb] | 488 |
|
| 2 | to and [vb base] | 199 |
|
| 3 | [prep] and understand | 12 |
|
| 4 | to and understand | 10 |
|
| 5 | to [conj] understand | 5 |
|
