| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] course i [verb] [prep] | 33 |
|
| 2 | [prep] course i [verb] a | 12 |
|
| 3 | [prep] course [verb] [prep] a | 10 |
|
| 4 | [prep] i [verb] [prep] a | 7 |
|
| 5 | course i [verb] [prep] a | 5 |
|
