| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it [be] not [vb pp] | 367 |
|
| 2 | [vb infin] [subord] it [be] [vb pp] | 73 |
|
| 3 | [vb infin] [subord] it [be] not | 33 |
|
| 4 | [vb infin] it [be] not [vb pp] | 7 |
|
