| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [verb] been [vb pp] [prep] studies | 15 |
|
| 2 | [noun sg] [verb] been [vb pp] [prep] studies | 8 |
|
| 3 | [noun pl] [verb] been [vb pp] [prep] studies | 7 |
|
| 4 | [verb] been [vb pp] [prep] [adj] studies | 43 |
|
| 5 | [verb] been [vb pp] [prep] [adj] studies | 27 |
|
| 6 | [verb] been [vb pp] [prep] [det] studies | 15 |
|
| 7 | [verb] been [vb pp] [prep] some studies | 6 |
|
| 8 | [verb] been [vb pp] [prep] [noun sg] studies | 6 |
|
| 9 | [verb] been [vb pp] [prep] [noun] studies | 6 |
|
| 10 | [verb] been [vb pp] [prep] some studies | 6 |
|
| 11 | [verb] been [vb pp] [prep] several studies | 5 |
|
| 12 | [verb] been [vb pp] [prep] previous studies | 5 |
|
| 13 | [verb] been [vb pp] [prep] other studies | 5 |
|
| 14 | [verb] been [vb pp] [prep] several studies | 5 |
|
| 15 | [verb] been [vb pp] [prep] previous studies | 5 |
|
| 16 | [verb] been [vb pp] [prep] other studies | 5 |
|
| 17 | [verb] been [vb pp] [prep] studies [prep] | 16 |
|
| 18 | [verb] been [vb pp] [prep] studies [prep] | 16 |
|
| 19 | [verb] been [vb pp] [prep] studies of | 11 |
|
| 20 | [verb] been [vb pp] [prep] studies of | 11 |
|
