| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] it [be] [adv] | 198 |
|
| 2 | [modal v] [vb infin] if it [be] | 72 |
|
| 3 | [vb infin] if it [be] [adv] | 58 |
|
| 4 | [modal v] [vb infin] if it [adv] | 8 |
|
