| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [verb] been a [adj] [noun] | 148 |
|
| 2 | [adj] [verb] been a [adj] factor | 8 |
|
| 3 | [adj] [verb] been [art] [adj] factor | 8 |
|
| 4 | [adj] [verb] been [art] [adj] factor | 8 |
|
| 5 | [adj] [verb] [be] a [adj] factor | 7 |
|
| 6 | [adj] [verb] be a [adj] factor | 7 |
|
| 7 | [adj] [verb] [been] a [adj] factor | 7 |
|
