| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be act [prep] [art] course [prep] | 8 |
|
| 2 | be act [prep] [art] course of | 8 |
|
| 3 | be act [prep] [art] course of | 8 |
|
| 4 | be act [prep] [art] course [prep] | 8 |
|
