| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | were [vb pp] from [noun sg] [noun] | 56 |
|
| 2 | were [vb pp] from [noun sg] [noun pl] | 27 |
|
| 3 | were [vb pp] from [noun sg] [noun sg] | 25 |
|
| 4 | were [vb pp] from sigma [noun] | 6 |
|
| 5 | were obtained from [noun sg] [noun] | 5 |
|
| 6 | were [vb pp] from [noun sg] chemical | 5 |
|
| 7 | were derived from [noun sg] [noun] | 5 |
|
