| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which can [be] obtain [prep] | 27 |
|
| 2 | which can [be] obtained [prep] | 27 |
|
| 3 | which can be obtain [prep] | 27 |
|
| 4 | which can be obtain [prep] | 27 |
|
| 5 | which can [be] obtain from | 12 |
|
