| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] it [subord] it [verb] | 74 |
|
| 2 | [vb infin] [subord] it is [verb] | 45 |
|
| 3 | it [subord] it is [verb] | 28 |
|
| 4 | [vb infin] it [subord] it is | 19 |
|
