| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] course [det] [is] | 106 |
|
| 2 | [prep] [det] [is] very | 28 |
|
| 3 | [prep] course [is] very | 6 |
|
| 4 | course [det] [is] very | 5 |
|
