| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if it could [verb] | 52 |
|
| 2 | if it could [verb] | 52 |
|
| 3 | if it could [vb infin] | 51 |
|
| 4 | if it could have | 8 |
|
| 5 | if it could have | 8 |
|
