| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be obtained from the | 228 |
|
| 2 | was obtained from the | 33 |
|
| 3 | were obtained from the | 27 |
|
| 4 | is obtained from the | 26 |
|
| 5 | been obtained from the | 18 |
|
| 6 | are obtained from the | 11 |
|
