| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] at | 19588 |
|
| 2 | [subord] at | 4900 |
|
| 3 | if [prep] | 2668 |
|
| 4 | if [prep] | 2668 |
|
| 5 | if at | 581 |
|
| 6 | if at | 581 |
|
