| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] if it [verb] | 117 |
|
| 2 | [vb pp] if [pron] do | 103 |
|
| 3 | [vb pp] [conj] it do | 94 |
|
| 4 | [verb] if it do | 47 |
|
