| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | as if [vb pp] [prep] [art] | 87 |
|
| 2 | if [vb pp] [adv] [prep] [art] | 19 |
|
| 3 | as if [vb pp] [adv] [prep] | 10 |
|
