| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they have [verb] | 24150 |
|
| 2 | they have [vb pp] | 21567 |
|
| 3 | [pron] have changed | 923 |
|
| 4 | they have change | 111 |
|
| 5 | they [verb] changed | 110 |
|
