| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it [be] [adv] [vb pp] | 1499 |
|
| 2 | [vb infin] [subord] it [be] [adv] | 137 |
|
| 3 | [vb infin] [subord] it [be] [vb pp] | 73 |
|
| 4 | [vb infin] it [be] [adv] [vb pp] | 21 |
|
