| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] [not/n't] [vb infin] | 4409 |
|
| 2 | [vb mod] [not/n't] [vb infin] [to-vb] | 4283 |
|
| 3 | it [vb mod] [vb infin] [to-vb] | 1168 |
|
| 4 | it [vb mod] [not/n't] [to-vb] | 6 |
|
