| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be brought about by | 20 |
|
| 2 | can be brought [adv prt] by | 9 |
|
| 3 | would be brought [adv prt] by | 7 |
|
| 4 | may be brought [adv prt] by | 5 |
|
