| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [adv] changed at | 30 |
|
| 2 | have [not/n't] changed at | 21 |
|
| 3 | have not changed at | 21 |
|
| 4 | have n't changed at | 14 |
|
| 5 | has [adv] changed at | 13 |
|
| 6 | have [adv] changed at | 10 |
|
| 7 | have [adv] changed at | 9 |
|
| 8 | have hardly changed at | 7 |
|
| 9 | have hardly changed at | 7 |
|
| 10 | have not changed at | 7 |
|
| 11 | had [adv] changed at | 5 |
|
