| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] about by [art] | 14 |
|
| 2 | is [vb pp] about by [art] | 14 |
|
| 3 | is bring about by [art] | 13 |
|
| 4 | is brought about by [art] | 13 |
|
| 5 | is [verb] about by the | 8 |
|
| 6 | is [verb] about by the | 8 |
|
| 7 | is [verb] about by a | 6 |
|
| 8 | is [verb] about by a | 6 |
|
