| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] of course [pron] | 1284 |
|
| 2 | [coord] of course [pron] | 1045 |
|
| 3 | but of [noun] [pron] | 360 |
|
| 4 | but of course [pron] | 348 |
|
| 5 | but [prep] course [pron] | 348 |
|
