| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but of course it is [adv] | 15 |
|
| 2 | but of course it is not | 8 |
|
| 3 | but of course it is [not/n't] | 8 |
|
| 4 | but of course it is [adv] | 7 |
|
| 5 | but of course it is [adj] | 5 |
|
| 6 | but of course it is not | 5 |
|
