| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] a major [noun] | 291 |
|
| 2 | [be] a major [noun sg] | 285 |
|
| 3 | [be] a [adj] problem | 78 |
|
| 4 | [be] a major problem | 78 |
|
| 5 | [be] [art] major problem | 15 |
|
| 6 | [be] a major problem | 15 |
|
| 7 | [be] [art] major problem | 15 |
|
| 8 | [be] a major problem | 15 |
|
