| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [unc] and of course [pron] | 22 |
|
| 2 | er [conj] of course [pron] | 15 |
|
| 3 | er and of [noun] [pron] | 10 |
|
| 4 | er and [prep] course [pron] | 10 |
|
