| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] has been a [adj] [noun sg] | 378 |
|
| 2 | [noun sg] has been a [adj] [noun] | 258 |
|
| 3 | [noun prp] has been a [adj] [noun] | 71 |
|
| 4 | [noun] has been a major [noun] | 54 |
|
| 5 | [noun pl] has been a [adj] [noun] | 49 |
|
| 6 | [noun] has been a great [noun] | 24 |
|
| 7 | [noun] has been a [adj] factor | 21 |
|
| 8 | [noun] has been a [adj] factor | 21 |
|
| 9 | [noun] has been a [adj] success | 21 |
|
| 10 | [noun] has been a [adj] success | 21 |
|
| 11 | [noun] has been a key [noun] | 14 |
|
| 12 | [noun] has been a [adj] feature | 11 |
|
| 13 | [noun] has been a [adj] feature | 11 |
|
| 14 | [noun] has been a [adj] source | 11 |
|
| 15 | [noun] has been a [adj] source | 11 |
|
| 16 | [noun] has been a [adj] cause | 10 |
|
| 17 | result has been a [adj] [noun] | 10 |
|
| 18 | [noun] has been a [adj] cause | 10 |
|
| 19 | result has been a [adj] [noun] | 10 |
|
| 20 | [noun] has been a [adj] part | 9 |
|
| 21 | [noun] has been a [adj] part | 9 |
|
| 22 | [noun] has been a good [noun] | 8 |
|
| 23 | [noun] has been a big [noun] | 7 |
|
| 24 | [noun] has been a constant [noun] | 7 |
|
| 25 | [noun] has been a central [noun] | 7 |
|
| 26 | [noun] has been a particular [noun] | 7 |
|
| 27 | [noun] has been a [adj] problem | 7 |
|
| 28 | [noun] has been a vital [noun] | 7 |
|
| 29 | [noun] has been a [adj] problem | 7 |
|
| 30 | [noun] has been a [adj] increase | 6 |
|
