| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [prep] [det] [noun pl] | 1392 |
|
| 2 | [prep] course [det] [noun pl] | 72 |
|
| 3 | be [prep] course [det] | 47 |
|
| 4 | be [prep] course [noun pl] | 32 |
|
