| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [verb] been a [noun] | 948 |
|
| 2 | [noun] [verb] been a [noun sg] | 920 |
|
| 3 | [noun] [verb] [be] a factor | 7 |
|
| 4 | [noun] [verb] be a factor | 7 |
|
| 5 | [noun] [verb] been [art] factor | 6 |
|
| 6 | [noun] [verb] been a factor | 6 |
|
| 7 | [noun] [verb] been a factor | 6 |
|
| 8 | [noun] [verb] been [art] factor | 6 |
|
| 9 | [noun] [verb] [been] a factor | 6 |
|
