| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if [pron] [be] [verb] [prep] [art] | 1231 |
|
| 2 | [conj] [pron] [be] [verb] at [art] | 448 |
|
| 3 | if [pron] [be] [verb] at [art] | 65 |
|
