| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may [verb] for [adj] [noun] | 99 |
|
| 2 | may [vb infin] for [adj] [noun] | 99 |
|
| 3 | [modal v] persist for [adj] [noun] | 10 |
|
| 4 | may persist [prep] [adj] [noun] | 7 |
|
| 5 | may persist [prep] [adj] [noun] | 7 |
|
| 6 | may persist for [adj] [noun] | 5 |
|
| 7 | may persist for [adj] [noun] | 5 |
|
