| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] as if [vb pp] | 30 |
|
| 2 | [vb past] [prep] if [vb pp] | 30 |
|
| 3 | [vb past] [prep] if [vb pp] | 30 |
|
| 4 | [vb past] as if [vb pp] | 30 |
|
