| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] if it [is] [vb pp] | 76 |
|
| 2 | [vb infin] [conj] it [is] [vb pp] | 70 |
|
| 3 | [vb infin] if it [be] [vb pp] | 29 |
|
| 4 | [vb infin] if it [is] [verb] | 26 |
|
| 5 | [vb infin] if [pron] [is] [vb pp] | 14 |
|
