| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | think you [vb mod] study it | 6 |
|
| 2 | [vb base] you should study it | 6 |
|
| 3 | [vb base] you [vb mod] study it | 6 |
|
| 4 | [vb base] you [vb mod] study it | 6 |
|
