| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [pron] be [adv] maintain | 8 |
|
| 2 | [pron] be [adv] [adv] maintain | 9 |
|
| 3 | [pron] be [adv] [adv] maintain | 5 |
|
| 4 | [pron] be [adv] [adj] maintain | 32 |
|
| 5 | [pron] be [adv] [adj] maintain | 30 |
|
| 6 | [pron] be [adv] [adv] maintain | 9 |
|
| 7 | [pron] be [adv] [adv] maintain | 9 |
|
| 8 | [pron] be [adv] difficult maintain | 7 |
|
| 9 | [pron] be [adv] difficult maintain | 7 |
|
| 10 | [pron] be [adv] maintain [prep] | 9 |
|
| 11 | [pron] be [adv] maintain [prep] | 9 |
|
| 12 | [pron] be [adv] maintain [conj] | 5 |
|
| 13 | [pron] be [adv] maintain by | 5 |
|
| 14 | [pron] be [adv] maintain by | 5 |
|
