| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | or [verb] if | 81 |
|
| 2 | or [vb base] if | 31 |
|
| 3 | or [vb pp] if | 26 |
|
| 4 | or [vb infin] if | 8 |
|
| 5 | or see if | 7 |
|
| 6 | or [to-vb] if | 5 |
|
| 7 | or [v-ing] if | 5 |
|
