| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if he [vb mod] [adv] [vb infin] [det] | 12 |
|
| 2 | if he [modal v] [not/n't] [vb infin] [det] | 8 |
|
| 3 | if he [modal v] not [vb infin] [det] | 8 |
|
