| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [coord] maintain by [art] | 15 |
|
| 2 | [vb pp] [coord] maintain by [art] | 14 |
|
| 3 | [coord] maintain by [art] [noun] | 10 |
|
| 4 | [coord] maintain by [art] [noun sg] | 5 |
|
| 5 | [coord] maintain by [art] [adj] | 5 |
|
| 6 | [coord] maintain by [art] [adj] | 5 |
|
