| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there have been [prep] | 36 |
|
| 2 | [ex0] have been [prep] | 36 |
|
| 3 | [ex0] have been times | 16 |
|
| 4 | [ex0] have been times | 16 |
|
| 5 | [ex0] have been at | 8 |
|
| 6 | [ex0] have been at | 8 |
|
| 7 | [ex0] have been in | 6 |
|
| 8 | [ex0] have been in | 6 |
|
