| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] be [adj] | 10088 |
|
| 2 | course it be [adj] | 101 |
|
| 3 | course it [modal v] be | 68 |
|
| 4 | course [modal v] be [adj] | 22 |
|
