| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb mod] [prep] course [be] | 69 |
|
| 2 | which [vb mod] [prep] [noun] [be] | 43 |
|
| 3 | which [vb mod] [prep] course [be] | 9 |
|
| 4 | which [modal v] [prep] course [be] | 9 |
|
