| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] it [is] [verb] | 1609 |
|
| 2 | [noun sg] it [is] [verb] | 1230 |
|
| 3 | course [pron] [is] [verb] | 49 |
|
| 4 | course it [be] [verb] | 34 |
|
| 5 | course it [is] [verb] | 21 |
|
