| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do not [adv] alter the | 12 |
|
| 2 | did not [adv] alter the | 7 |
|
| 3 | [vb past] not [adv] alter the | 7 |
|
| 4 | [verb] not significantly alter the | 7 |
|
