| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it should [vb infin] be | 234 |
|
| 2 | [Wh det] should [vb infin] be | 139 |
|
| 3 | [Wh det] it should be | 62 |
|
| 4 | [Wh det] it should [vb infin] | 28 |
|
