| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [noun pl] | 640 |
|
| 2 | have [been] attempts | 30 |
|
| 3 | have [been] changes | 28 |
|
| 4 | have [been] cases | 24 |
|
| 5 | have [been] members | 21 |
|
| 6 | have [been] victims | 20 |
|
| 7 | have [been] occasions | 19 |
|
| 8 | have [been] reports | 18 |
|
| 9 | have [been] suggestions | 18 |
|
| 10 | have [been] problems | 17 |
|
| 11 | have [been] calls | 11 |
|
| 12 | have [been] rumours | 10 |
|
| 13 | have [been] complaints | 9 |
|
| 14 | have [been] studies | 8 |
|
| 15 | have [been] friends | 8 |
|
| 16 | have [been] signs | 7 |
|
| 17 | have [been] instances | 7 |
|
| 18 | have [been] differences | 6 |
|
| 19 | have [been] exceptions | 6 |
|
| 20 | have [been] fluctuations | 5 |
|
| 21 | have [been] improvements | 5 |
|
