| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been a [adj] factor in | 44 |
|
| 2 | [verb] been a [adj] factor in | 44 |
|
| 3 | have been a [adj] [noun] in | 30 |
|
| 4 | have been [art] [adj] factor in | 8 |
|
| 5 | have been [art] [adj] factor in | 8 |
|
| 6 | have been a [adj] factor in | 7 |
|
| 7 | have been a [adj] factor [prep] | 7 |
|
| 8 | have been a [adj] factor [prep] | 7 |
|
| 9 | have [been] a [adj] factor in | 5 |
|
| 10 | have [be] a [adj] factor in | 5 |
|
| 11 | [vb infin] been a [adj] factor in | 5 |
|
| 12 | have be a [adj] factor in | 5 |
|
| 13 | have been a [adj] factor in | 5 |
|
