| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been many [noun pl] | 122 |
|
| 2 | been some [noun pl] | 84 |
|
| 3 | been several [noun pl] | 74 |
|
| 4 | been any [noun pl] | 47 |
|
| 5 | been few [noun pl] | 33 |
|
| 6 | been [det] attempts | 23 |
|
| 7 | been [det] changes | 22 |
|
| 8 | been [det] studies | 15 |
|
| 9 | been [det] cases | 12 |
|
| 10 | been [det] years | 11 |
|
| 11 | been [det] reports | 10 |
|
| 12 | been more [noun pl] | 10 |
|
| 13 | been all [noun pl] | 10 |
|
| 14 | been [det] times | 9 |
|
| 15 | been [det] examples | 9 |
|
| 16 | been [det] problems | 8 |
|
| 17 | been those [noun pl] | 7 |
|
| 18 | been [det] developments | 7 |
|
| 19 | been fewer [noun pl] | 6 |
|
| 20 | been [det] occasions | 6 |
|
| 21 | been [det] suggestions | 6 |
|
| 22 | been [det] improvements | 6 |
|
| 23 | been enough [noun pl] | 6 |
|
| 24 | been such [noun pl] | 5 |
|
| 25 | been [det] things | 5 |
|
