| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it [modal v] [verb] this | 9 |
|
| 2 | [subord] it [modal v] [vb infin] this | 9 |
|
| 3 | [subord] it [vb mod] [verb] this | 9 |
|
