| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] be [verb] from | 821 |
|
| 2 | [vb -s] be obtain [prep] | 61 |
|
| 3 | [verb] be obtain from | 45 |
|
| 4 | [vb -s] [be] obtain from | 17 |
|
