| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been a [noun sg] for [noun] | 89 |
|
| 2 | been a [noun] for [noun sg] | 36 |
|
| 3 | been a [noun] for [noun pl] | 31 |
|
| 4 | been a [noun] for [noun prp] | 17 |
|
| 5 | been a [noun] for years | 9 |
|
| 6 | been a [noun] for year | 9 |
|
| 7 | been a tendency for [noun] | 6 |
|
| 8 | been a [noun] for [n mass] | 6 |
|
| 9 | been a tendency for [noun] | 6 |
|
