| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it is [verb] | 3901 |
|
| 2 | [vb infin] [subord] it [verb] | 383 |
|
| 3 | [vb infin] [subord] it is | 183 |
|
| 4 | [vb infin] it is [verb] | 37 |
|
