| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] if it 's been | 10 |
|
| 2 | [prep] if it 's [been] | 10 |
|
| 3 | as if it 's [been] | 10 |
|
| 4 | [prep] if it 's [been] | 10 |
|
