| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been several [noun pl] | 67 |
|
| 2 | have be several [noun pl] | 44 |
|
| 3 | had be several [noun pl] | 16 |
|
| 4 | have be several attempts | 8 |
|
| 5 | have be several cases | 5 |
|
