| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been few [noun] | 36 |
|
| 2 | have been few [noun pl] | 33 |
|
| 3 | have been [adj] studies | 24 |
|
| 4 | have been [det] studies | 15 |
|
| 5 | have be few studies | 6 |
|
| 6 | have been few study | 6 |
|
| 7 | have [been] few studies | 6 |
|
| 8 | have [be] few studies | 6 |
|
| 9 | [verb] been few studies | 6 |
|
| 10 | have been few studies | 6 |
|
