| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be if they [vb base] | 19 |
|
| 2 | [be] if they [vb base] | 19 |
|
| 3 | [is] if they [vb base] | 12 |
|
| 4 | is if they [vb base] | 10 |
|
