| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and [vb base] if they [verb] | 26 |
|
| 2 | [vb base] if they can [verb] | 19 |
|
| 3 | and if they can [verb] | 16 |
|
| 4 | and [vb base] if they can | 8 |
|
| 5 | and [vb base] they can [verb] | 8 |
|
