| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been an [adj] [noun] | 812 |
|
| 2 | been an [adj] [noun sg] | 799 |
|
| 3 | [be] an [adj] factor | 180 |
|
| 4 | be an [adj] factor | 180 |
|
| 5 | been [art] [adj] factor | 104 |
|
| 6 | been [art] [adj] factor | 104 |
|
| 7 | been a [adj] factor | 85 |
|
| 8 | been an [adj] factor | 16 |
|
| 9 | been an [adj] factor | 16 |
|
| 10 | [been] an [adj] factor | 16 |
|
