| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do n't [verb] | 120734 |
|
| 2 | do n't [vb infin] | 120430 |
|
| 3 | do [adv] happen | 496 |
|
| 4 | do [not/n't] happen | 481 |
|
| 5 | do not happen | 481 |
|
| 6 | do n't happen | 289 |
|
| 7 | [verb] n't happen | 288 |
|
