| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been a [adj] [noun] | 5274 |
|
| 2 | been a [adj] [noun sg] | 5204 |
|
| 3 | be a [adj] factor | 621 |
|
| 4 | [be] a [adj] factor | 621 |
|
| 5 | been [art] [adj] factor | 104 |
|
| 6 | [been] a [adj] factor | 85 |
|
| 7 | been a [adj] factor | 85 |
|
| 8 | been a [adj] factor | 85 |
|
