| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [subord] it [is] [adv] [verb] | 12 |
|
| 2 | [vb infin] [subord] it [is] [adv] [vb pp] | 10 |
|
| 3 | [vb infin] [subord] it [is] [adv] [verb] | 8 |
|
| 4 | [vb infin] [subord] it 's [adv] [verb] | 6 |
|
| 5 | [vb infin] [subord] it is [adv] [verb] | 6 |
|
| 6 | [vb infin] if it [is] [adv] [verb] | 5 |
|
