| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] be obtained | 136 |
|
| 2 | also be obtained | 50 |
|
| 3 | also be obtained | 50 |
|
| 4 | [not/n't] be obtained | 38 |
|
| 5 | not be obtained | 38 |
|
| 6 | not be obtained | 37 |
|
| 7 | only be obtained | 28 |
|
| 8 | only be obtained | 28 |
|
| 9 | now be obtained | 10 |
|
| 10 | now be obtained | 10 |
|
| 11 | easily be obtained | 6 |
|
| 12 | easily be obtained | 6 |
|
| 13 | usually be obtained | 5 |
|
| 14 | usually be obtained | 5 |
|
