| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] [not/n't] [be] | 4549 |
|
| 2 | it [vb mod] [not/n't] [vb infin] | 4409 |
|
| 3 | it [vb mod] [vb infin] [be] | 3860 |
|
| 4 | [vb mod] [not/n't] [vb infin] [be] | 2444 |
|
| 5 | it [not/n't] [vb infin] [be] | 15 |
|
