| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | certainly do [not/n't] think | 23 |
|
| 2 | certainly do n't think | 20 |
|
| 3 | certainly do [not/n't] think | 12 |
|
| 4 | certainly did [not/n't] think | 6 |
|
