| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been few [noun pl] | 27 |
|
| 2 | have been few study | 6 |
|
| 3 | have been few studies | 6 |
|
| 4 | have been few attempts | 5 |
|
| 5 | have been few attempt | 5 |
|
