| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may [verb] [art] | 7283 |
|
| 2 | [vb mod] affect [art] | 565 |
|
| 3 | [modal v] affect [art] | 565 |
|
| 4 | may affect [art] | 101 |
|
