| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [art] present | 564 |
|
| 2 | to maintain [art] [adj] | 507 |
|
| 3 | to maintain [art] [adj] | 465 |
|
| 4 | [to-vb] [art] present | 155 |
|
| 5 | maintain [art] present | 14 |
|
| 6 | to maintain [art] present | 7 |
|
