| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] obtain from [art] | 81 |
|
| 2 | [was/were] obtained from [art] | 80 |
|
| 3 | [was/were] obtain from the | 61 |
|
| 4 | [was/were] obtain from the | 61 |
|
| 5 | was obtain from [art] | 45 |
|
| 6 | were obtain from [art] | 36 |
|
| 7 | [was/were] obtain from a | 20 |
|
| 8 | [was/were] obtain from a | 19 |
|
