| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | certainly do [not/n't] need | 18 |
|
| 2 | certainly do n't need | 14 |
|
| 3 | certainly do [not/n't] need | 9 |
|
| 4 | certainly did [not/n't] need | 8 |
|
