| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [adj] attempts | 39 |
|
| 2 | have been few [noun] | 36 |
|
| 3 | have been few [noun pl] | 33 |
|
| 4 | have been [det] attempts | 22 |
|
| 5 | have be few attempts | 5 |
|
| 6 | have [been] few attempts | 5 |
|
| 7 | have [be] few attempts | 5 |
|
| 8 | have been few attempt | 5 |
|
| 9 | have been few attempts | 5 |
|
| 10 | [verb] been few attempts | 5 |
|
