| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [been] a major [noun sg] [prep] | 76 |
|
| 2 | has been a major [noun] [prep] | 76 |
|
| 3 | has [been] a major [noun] in | 28 |
|
| 4 | has [been] a major [noun] of | 28 |
|
| 5 | has [been] a major factor [prep] | 13 |
|
| 6 | has [been] a major factor [prep] | 13 |
|
| 7 | has [been] a major cause [prep] | 5 |
|
| 8 | has [been] a major cause [prep] | 5 |
|
| 9 | has [been] a major [noun] for | 5 |
|
| 10 | has [been] a major [noun] to | 5 |
|
