| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | as if [v-ing] | 777 |
|
| 2 | as if [adv] | 205 |
|
| 3 | if [adv] [v-ing] | 94 |
|
| 4 | as [adv] [v-ing] | 43 |
|
