| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [prep] course [pron] | 1285 |
|
| 2 | [prep] course if [pron] | 101 |
|
| 3 | [conj] [prep] course if | 59 |
|
| 4 | [conj] [prep] if [pron] | 52 |
|
