| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] be to maintain [conj] [verb] | 5 |
|
| 2 | [noun] be to maintain [conj] [verb] | 5 |
|
| 3 | be [adj] to maintain [conj] [verb] | 6 |
|
| 4 | be [adj] to maintain [conj] [verb] | 6 |
|
