| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [verb] been a [adj] [noun] | 727 |
|
| 2 | [noun] [verb] been [art] [adj] factor | 45 |
|
| 3 | [noun] [verb] been [art] [adj] factor | 45 |
|
| 4 | [noun] [verb] been a [adj] factor | 39 |
|
| 5 | [noun] [verb] [be] a [adj] factor | 32 |
|
| 6 | [noun] [verb] be a [adj] factor | 32 |
|
| 7 | [noun] [verb] [been] a [adj] factor | 31 |
|
| 8 | [noun] [verb] been a [adj] factor | 31 |
|
