| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [coord] maintain [art] | 63 |
|
| 2 | [to-vb] and maintain [art] | 54 |
|
| 3 | [to-vb] and maintain [art] | 54 |
|
| 4 | [to-vb] [conj] maintain the | 31 |
|
| 5 | [to-vb] [conj] maintain a | 29 |
|
| 6 | [to-vb] or maintain [art] | 9 |
|
| 7 | [to-vb] or maintain [art] | 9 |
|
| 8 | to create [conj] maintain [art] | 7 |
|
| 9 | to establish [conj] maintain [art] | 6 |
|
| 10 | to develop [conj] maintain [art] | 5 |
|
