| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv] [conj] to maintain | 10 |
|
| 2 | [vb pp] [adv] [conj] to maintain | 7 |
|
| 3 | [noun] [adv] [conj] to maintain | 5 |
|
| 4 | [adv] [conj] to maintain [art] | 12 |
|
| 5 | [adv] [conj] to maintain [art] | 12 |
|
| 6 | [adv] [conj] to maintain the | 10 |
|
| 7 | [adv] [conj] to maintain the | 10 |
|
| 8 | [adv] [conj] to maintain [pron] | 5 |
|
| 9 | [adv] [conj] to maintain [pos pn] | 5 |
|
