| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] it [vb infin] | 154 |
|
| 2 | [verb] it should [vb infin] | 110 |
|
| 3 | [modal v] [verb] should [vb infin] | 29 |
|
| 4 | [modal v] [verb] it should | 7 |
|
