| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [subord] it is [to-vb] | 9 |
|
| 2 | [vb infin] [conj] it is [to-vb] | 9 |
|
| 3 | [vb infin] if it is [to-vb] | 8 |
|
| 4 | [vb infin] if it is [to-vb] | 8 |
|
