| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [vb infin] it [adv] clear [that] | 10 |
|
| 2 | [modal v] [vb infin] it [adv] clear [that] | 10 |
|
| 3 | should [vb infin] it [adv] clear [that] | 8 |
|
| 4 | should [vb infin] it [adv] clear [that] | 8 |
|
