| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] is [prep] [pron] [verb] | 90 |
|
| 2 | [noun] [prep] course [pron] [verb] | 39 |
|
| 3 | [noun] is [prep] course [verb] | 35 |
|
| 4 | [noun] is [prep] course [pron] | 16 |
|
| 5 | is [prep] course [pron] [verb] | 7 |
|
