| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [adv] as if | 204 |
|
| 2 | [be] [not/n't] as if | 188 |
|
| 3 | [is] [not/n't] as [conj] | 140 |
|
| 4 | [is] [not/n't] [prep] if | 140 |
|
