| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if they have gone | 15 |
|
| 2 | if they [vb past] gone | 9 |
|
| 3 | if they [vb base] gone | 6 |
|
| 4 | if they 've gone | 5 |
|
| 5 | if they 'd gone | 5 |
|
