| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been major [noun] | 18 |
|
| 2 | [vb base] been major [noun pl] | 18 |
|
| 3 | [vb base] been major [noun] | 18 |
|
| 4 | [vb base] been major change | 6 |
|
| 5 | [vb base] been major changes | 6 |
|
