| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] course [conj] [pron] [verb] | 175 |
|
| 2 | [subord] [prep] [conj] [pron] [verb] | 102 |
|
| 3 | [subord] [prep] course [pron] [verb] | 88 |
|
| 4 | [subord] [prep] course [conj] [pron] | 17 |
|
