| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | samples be [vb pp] from [adj] | 24 |
|
| 2 | samples [was/were] [vb pp] from [adj] | 22 |
|
| 3 | samples were [vb pp] from [adj] | 22 |
|
| 4 | samples [be] [vb pp] from [num] | 13 |
|
| 5 | samples [be] obtained from [adj] | 9 |
|
| 6 | samples [be] taken from [adj] | 7 |
|
| 7 | samples [be] [vb pp] from [adj] | 6 |
|
| 8 | samples [be] [vb pp] from [det] | 5 |
|
