| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be obtained [v-ing] | 38 |
|
| 2 | [vb mod] be obtain [v-ing] | 38 |
|
| 3 | [modal v] be obtain [v-ing] | 38 |
|
| 4 | can be obtain [v-ing] | 36 |
|
| 5 | can be obtain [v-ing] | 36 |
|
| 6 | [modal v] be obtain using | 36 |
|
