| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] if they [be] | 691 |
|
| 2 | [prep] if they [vb past] | 327 |
|
| 3 | if they [vb past] [be] | 260 |
|
| 4 | [prep] they [vb past] [be] | 114 |
|
