| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been a major [noun] | 191 |
|
| 2 | been a major [noun sg] | 190 |
|
| 3 | been a major factor | 25 |
|
| 4 | been a major factor | 25 |
|
| 5 | been a major source | 8 |
|
| 6 | been a major source | 8 |
|
| 7 | been a major problem | 6 |
|
| 8 | been a major problem | 6 |
|
| 9 | been a major change | 5 |
|
| 10 | been a major cause | 5 |
|
| 11 | been a major cause | 5 |
|
| 12 | been a major part | 5 |
|
| 13 | been a major change | 5 |
|
| 14 | been a major part | 5 |
|
