| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if you had been [verb] | 9 |
|
| 2 | if you had be [verb] | 9 |
|
| 3 | if you had [been] [verb] | 9 |
|
| 4 | if you had [be] [v-ing] | 6 |
|
